Exhibit 10.6

((COMPANY LETTERHEAD))

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  EDC                    GLOBAL COMPREHENSIVE POLICY(SHIPMENTS)
  SEE
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                                                            Policy No. GC1-19781

This policy is issued June 30, 1998 by Export Development Corporation ("EDC")to
Pultronex Corp.                                         with offices located at
2305 Eighth Street                                             (the "Exporter")
Nisku, AB


A copy of the Exporter's  application  dated May 7, 1998  (the"Application")  in
respect of this Policy is attached as Schedule "A".



     COVERAGE

Insuring Agreement

1.  Subject to the  provisions  of this Policy,  on payment of a  non-refundable
processing fee of $500 and in consideration of the Exporter's undertaking to pay
EDC any premium amounts that become due and payable pursuant to Subsection 8(2),
EDC hereby  insures the Exporter  against and agrees to pay 90% of any Loss,  in
respect of goods  Shipped  during the period  from June 1, 1998 to May 31,  1999
inclusive, as a direct result of the occurrence of any of the following risks:

Insolvency

     (1)  Insolvency of The Buyer,

Non-payment

     (2)  failure  of the  buyer  to pay by the Due  Date all or any part of the
          Gross Invoice Value of goods delivered to and accepted by the buyer,

Repudiation

     (3)  failure of the buyer to accept goods  exported  from Canada before the
          expiry of thirty  days of the date of which the goods  were  placed at
          the buyer's  disposal in accordance with the delivery terms set out in
          the Eligible  Contract,  or refusal of the buyer to accept such goods,
          where such  failure  of  refusal is not  excused by and does not arise
          from any breach of contract on the part of the Exporter,

Conversion and Transfer

     (4)  the operation of a law or any governmental  directive having the force
          of  law  in  the  buyers  country  which  restricts  or  prevents  the
          conversion or transfer of currency,  and as a consequence prevents the
          buyer from making any payment  required to be made to the  Exporter in
          circumstances where:

          (a)  the buyer  has  complied  with all  requirements  in the  buyer's
               country for the subsequent conversion or transfer of currency for
               the purpose of making such payment, and

          (b)  the buyer has made an  irrevocable  deposit  for  transfer to the
               Exporter  of a  sum  in  the  currency  of  the  buyer's  country
               equivalent  to the amount of such payment  required to be made to
               the Exporter unless the buyer is specifically  precluded by a law
               or any  governmental  directive  having  the  force of law in the
               buyer's country from making such deposit,

War and Related Disturbances

     (5)  war or  hostilities  between  two or  more  countries,  or  rebellion,
          revolution, insurrection, civil commotion, acts of political terrorism
          or other  political  disturbance  of a similar  nature in any  country
          other  than  Canada,  excluding  however  any  Loss  sustained  by the
          Exporter  as a result of the  occurrence  of a risk that is within the
          scope of marine  cargo  insurance  available  under the War,  Strikes,
          Riots and Civil Commotion Clauses of the London or American  Institute
          on the date of goods were Shipped,  whether or not any such  insurance
          was placed,

Export Permits

     (6)  cancellation  or  non-renewal of an export permit by the Government of
          Canada or the imposition by the  Government of Canada of  restrictions
          on the export from Canada of goods which were not subject to permit or
          restriction prior to the date on which the goods were Shipped, or

Import Permits

     (7)  cancellation  or  non-renewal of an import permit or the imposition of
          restrictions  on the import  into the  buyer's  country of goods which
          were not subject to permit or  restriction  prior to the date on which
          the goods were Shipped.


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                                         GLOBAL COMPREHENSIVE POLICY (SHIPMENTS)
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Extended Political Cover

2.  If a Loss  is a  result  of the  occurrence  of  Risk  insured  pursuant  to
Subsection 1(2), and if the default that resulted in the Loss cannot be remedied
by the buyer  because  of the  occurrence  of a  Political  Risk  within 60 days
immediately  after the Due Date,  then such Loss  shall be  deemed to have been
sustained by the Exporter as a result of the occurrence of the Political Risk.

Changes by EDC

3. EDC shall  have the right at any time by  notice  to the  Exporter  to add or
amend any special  condition  set out in Schedule  "B" or to cancel or amend the
Credit Limit for all or any buyers in any country  designated  in Schedule  "B",
and any such addition,  amendment or cancellation  shall only apply to shipments
made after EDC has given such notice to the Exporter; and, any Loss which is the
result of  non-compliance  with an  addition,  amendment  or  cancellation  made
pursuant to the  provisions of this Section shall be  conclusively  deemed to be
due to a cause avoidable by the Exporter.

Application

4. The  representations  and the declarations made by the Exporter to EDC in the
Application form the basis on which this Policy has been issued.



     EXCLUSIONS

Exclusion of Liability

5. EDC shall not be liable for the  payment of any claim for any Loss in respect
of goods Shipped in circumstances where:

Misrepresentation

     (1)  the Exporter has at any time made any misrepresentation to EDC that is
          material  to EDC's  rights,  liabilities  or  obligations  under  this
          Policy,

Dispute

     (2)  there is a dispute  between the  Exporter and the buyer with regard to
          any matter under the Eligible Contract,

Changing Terms of Payment

     (3)  the Exporter or an agent of the Exporter has entered into an agreement
          with the buyer  changing  the terms of any  payment  to be made by the
          buyer to the Exporter  pursuant to the Eligible  Contract,  unless EDC
          has given its prior  approval in writing to such  agreement  or unless
          such agreement:

          (a)  constitutes a composition  arrangement that is legally binding on
               all creditors of the buyer, or

          (b)  has been  entered  into by the  buyer  with the  Exporter  in the
               circumstances described in Section 6,

Cause Avoidable by Exporter

     (4)  the Loss is due to a cause avoidable by the Exporter,  an agent of the
          Exporter  or an  Affiliate,  or is  caused  by the  insolvency  of the
          Exporter or the agent or Affiliate,

Assignment of Contract

     (5)  any  right,  title or  interest  of the  Exporter  under the  Eligible
          Contract  is assigned  by the  Exporter to any person  other than EDC,
          unless the  assignee  has  executed  and  delivered  to the Exporter a
          reassignment  and  release  in respect  thereof in form and  substance
          satisfactory to EDC,

Licences, Approvals or Authorizations

     (6)  The  Exporter  or the buyer has failed to obtain all or any  licences,
          approvals,  or authorizations  required on the date goods were Shipped
          for the due performance of the Eligible Contact, or

Related Buyers

     (7)  the Exporter has direct or indirect  equity  interest in the buyer, or
          if the buyer has any such equity interest in the Exporter.

Extension of Due Date

6. Where the buyer has  requested  the  extension of a Due Date the Exporter may
agree with the buyer to extend the Due Date if:

     (1)  payment is to be made on terms other than,

          (a)  cash against documents,

          (b)  documents against payment of sight draft, or

          (c)  documents on payment,

     (2)  the agreement is entered into prior to the original Due Date,

     (3)  the  extension  of the Due Date is not  greater  than 90 days from the
          original Due Date, and

     (4)  the new  extended  Due Date  does not  result in the  Exporter  having
          granted credit to the buyer for a period in excess of 180 days.

     DUTIES OF THE EXPORTER

Notification of Other Contracts

7. The  Exporter  shall  promptly  notify EDC in each and every  case  whwere an
export shipment of goods is to be made by the Exporter pursuant to a contract of
sale that is neither an Eligible Contract nor an Excluded Contract; and on being
so notified, EDC shall either:

     (1)  extend the  application of this Policy to include the contract of sale
          as an Eligible  Contact,  and advise the Exporter of the terms of such
          insurance coverage, or

     (2)  designate the contract of sale as an Excluded Contact.

8.  On or before the 10th day of each calendar month the Exporter shall:

Monthly Declarations

     (1)  complete  and  return  to  EDC  declaration   forms  provided  by  EDC
          specifying  by county  the Gross  Invoice  Value of all goods  Shipped
          during the previous calendar month pursuant to contracts of sale other
          than Excluded Contracts, and if no such goods have been Shipped during
          the  previous   calendar  month  then  the  Exporter  shall  submit  a
          declaration  to EDC  expressly  stating  that no such  goods have been
          Shipped,

Payment of Premium

     (2)  pay the  premium to EDC  computed  on the Gross  Invoice  Value of all
          goods Shipped during the previous calendar month, pursuant to Eligible
          Contracts,  at the  rates  applicable  on the  date  such  goods  were
          Shipped,  as set out in Schedule  "B", and remit the premium to EDC at
          the same time that the declaration forms are completed and returned to
          EDC pursuant to Subsection B(1), and

Overdue Accounts

     (3)  provide EDC with full  particulars  as to all  amounts  payable to the
          Exporter pursuant to Eligible Contracts, which are in default for more
          than 90 days.

Events that Could Cause a Loss

9. The Exporter shall immediately  notify EDC of the occurrence of any event or
circumstance that could cause a Loss.

Prevent and Minimize Loss

10. The Exporter shall use all reasonable and usual care,  skill and forethought
in respect of all matters affecting this Policy,  and shall take all practicable
measures, including any measures requested by EDC to:

     (1)  prevent the occurrence of any Loss, or

     (2)  minimize the amount of any Loss that may occur or has occurred.

     CREDIT LIMITS

Discretionary Credit Limit

11.  Subject to Section 12,  where a Credit  Approval  has not been issued for a
buyer, the Credit Limit for the buyer shall be the greater of:

     (1)  the highest  amount at any one time owing by the buyer to the Exporter
          on similar  terms  which was  promptly  paid  during the  twelve-month
          period immediately  preceeding the date the goods that are the subject
          of the Loss were Shipped, and

     (2)  the amount justified by reliable written credit  information  obtained
          by the Exporter from a recognized  independent credit reporting agency
          or bank which was  current at the date the goods that are the  subject
          of the Loss were Shipped,

except that such  Credit  Limit shall not exceed the amount set out in Item 1 of
Schedule "B".

Extended Discretionary Credit Limit

12. Where a Credit Approval has not been issued for a buyer,  and where all Loss
in respect  of goods  Shipped  to the buyer is a result of the  occurrence  of a
Political Risk, including any Loss deemed pursuant to Section 2 to be the result
of a Political  Risk, the Credit Limit for the buyer shall be the amount set out
in Item 1 of Schedule "B".

EDC Approved Credit Limit

13. Where a Credit  Approval  has been issued for a buyer,  the Credit Limit for
the buyer shall be the amount stipulated in the Credit Approval.

EDC's Maximum Liability Limit

14. Notwithstanding the aggregate amount of Credit Limits for individual buyers,
EDC's overall  maximum  liability under this Policy for the payment of claims on
account  of all  Losses is limited in the  aggregate  to the  maximum  liability
amount set out in Item 2 of Schedule "B".

     CURRENCY FOR PREMIUM AND CLAIM PAYMENTS

15. The premium payable to EDC pursuant to Subsection 8(2) and any claim payment
by EDC in  respect of a Loss shall be paid in  Dollars;  and where the  Contract
Currency is other than Dollars,

     (1)  the premium  payments  shall be made on the basis of the Gross Invoice
          Value being translated to Dollars, and

     (2)  the claim  payment shall be made on the basis of the Loss amount being
          translated to Dollars,

at the buying rate of  exchange at the  Exporter's  bank for the  conversion  of
Contract  Currency to Dollars on the last business day of the calendar  month in
which the goods were Shipped.

     LOSSES

Computation of Loss

16. Any Loss in respect  of goods  SHipped  shall be  computed  in the  Contract
Currency and,  shall be the Gross  Invoice Value of the goods  together with any
additional  insurance,  freight or other  handling costs incurred as a result of
the interruption of diversion of voyage outside Canada due to the occurrence of
the Risk which resulted in such Loss, less:

     (1)  all amounts received,  recovered or realized on account of amounts due
          and payable to the Exporter by the buyer in respect of such goods, and

     (2)  all costs that would have  normally  been  incurred by the Exporter in
          respect of such goods but which have not been  incurred as a result of
          the occurrence of the Risk insured,

except  that where the amount  comptued  above in  respect of Loss  exceeds  the
Credit Limit for the buyer less any

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unrecovered prior Loss amounts in respect of which claim payments have been made
by EDC as a result of  transactions  between  the  Exporter  and the buyer,  the
amount of Loss computed  hereunder shall be the Credit Limit for the buyer less
any such unrecovered prior Loss amounts.

     CLAIM PAYMENTS

Third Party Guarantees

17.  EDC shall not be  required  to make any claim  payment in respect of a Loss
where EDC has  expressly  stated that its  liability is subject to the Exporter
obtaining a third party  guarantee  wherein  the buyer's  obligation  to pay the
Exporter is guaranteed by such third party unless:

     (1)  the guarantee has been obtained by the Exporter, and

     (2)  the  guarantor  has  defaulted  in  its  payment  obligations  to  the
          Exporter.

Claim Waiting Period

18. The right of the  Exporter to claim  against EDC for  indemnification  under
this Policy for a Loss hall arise four  months  after the date on which the Loss
was sustained by the Exporter, except that:

     (1)  if the Loss is a result of the  occurrence  of the Risk  described  in
          Subsection  1(1), the right of the Exporter to claim against EDC shall
          arise immediately upon the Loss having been sustained by the Exporter,

     (2)  if the Loss is a result of the  occurrence  of the Risk  described  in
          Subsection  1(2), the right of the Exporter to claim against EDC shall
          arise six months from the date on which the Loss was  sustained by the
          Exporter, and

     (3)  if the Loss is a result of the  occurrence  of the Risk  described  in
          Subsection  1(3), the right of the Exporter to claim against EDC shall
          arise  when the goods  referred  to in the Risk  have  been  resold or
          otherwise  disposed of by or on behalf of the Exporter  with the prior
          approval of EDC.

Claim Period

19. EDC shall not be liable for the  payment of a claim for any Loss  unless EDC
has received notice from the Exporter of the claim within twelve months from the
date on which the Loss was sustained by the Exporter.

     RECOVERIES

Sharing of Recoveries

20.  Where  EDC has paid a claim for a Loss in  respect  of goods  Shipped,  all
amounts  exclusive of post maturity  interest  that are  received,  recovered or
realized on account of amounts  payable to the  Exporter by the buyer in respect
of such  goods  shall be  first  divided  between  the  Exporter  and EDC in the
proportion  in which they shared the Loss,  until the  aggregate of such amounts
equals the amount of the Loss,  after which any further such  amounts  received,
recovered or realized shall be exclusively for the account of the Exporter;  and
any post maturity interest in respect of unrecovered EDC claim payments shall be
for the account of EDC.

Remittance of Recoveries

21. All amounts due to EDC  pursuant  to Section 20,  which have been  received,
recovered  or realized by the  exporter or any person on behalf of the  Exporter
other than EDC,  shall be  forthwith  remitted to EDC in the  Contract  Currency
unless otherwise directed by EDC, and until so remitted such funds shall be held
in trust for EDC.

Recovery Obligations of Exporter

22. On payment of a claim by EDC in respect of a Loss,  the Exporter  shall take
all steps  necessary  or  expedient  to recover  the amount of the Loss,  and if
requested by EDC, the Exporter shall:

     (1)  institute legal  proceedings  against the buyer to recover any amounts
          owned to the Exporter in respect of such Loss,

     (2)  grant and  execute in form  acceptable  to EDC a Power of  Attorney in
          favour  of EDC,  enabling  EDC to give  instructions  on behalf of the
          Exporter in respect of any legal rights and remedies  available to the
          Exporter against the buyer to recover any amounts owed to the Exporter
          in  respect  of  such  Loss,   including  the   institution  of  legal
          proceedings  in  respect  thereof  against  any  person  by and in the
          Exporter's name, and

     (3)  transfer  and assign to EDC all or any part of the  Exporter's  right,
          title and  interest in any amounts  owed to the Exporter in respect of
          such Loss, or any security in respect thereof, and the Exporter agrees
          to give notice of any such assignment only when and as may be directed
          in writing by EDC.

Subrogation

23.  On  payment  of a claim by EDC in  respect  of a Loss,  EDC  shall be fully
subrogated to the Exporter's  recovery rights in respect of the Loss, whether or
not the Exporter has been fully indemnified for such Loss; and EDC may institute
legal  proceedings  in the  Exporter's  name  against any person for purposes of
exercising any such subrogated right.

     GENERAL CONDITIONS

EDC's Access to Information

24. EDC may at any time examine and make copies of all  letters,  commuications,
accounts  or other  documents  in the  possession  or  control  of the  Exporter
relating to any matter  under this Policy;  and in respect  thereof the Exporter
shall, at the request of EDC,

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     (1)  provide EDC with all  information  in the  possession of the Exporter,
          and

     (2)  take all reasonable  steps to obtain any  information or to obtain the
          sight of any document in the possession of a third party.

Contract of Insurance

25. This Policy and any endorsements thereto, and the Application on which it is
based constitutes the entire contract of insurance between EDC and the Exporter;
and except as expressly provided for herein, any verbal statements, undertakings
or  agreements  between the parties  other than what is contained in this Policy
and any endorsements thereto or as contained in the Application,  shall not form
part of, or be deemed to be part of, such contract of insurance.

Notice

26. Every notice to be given pursuant to this Policy shall be in writing,  which
shall include telex, cable or telegram,  and such notice shall be with delivered
by hand mailed or  transmitted  to EDC or the  Exporter,  as the case may be, at
their  respective  addresses;  and any such notice  shall be effective as to the
matters  therein  referred to, when  received by the Exporter or EDC as the case
may be.

Observance of Policy Conditions

27. The due performance and observance of the Exporter's  duties and obligations
as set out in this Policy,  shall be a condition  precedent to any  liability of
EDC for the payment of a claim in respect of a Loss.

Termination

28. EDC shall have the right to terminate  this Policy of fifteen days notice to
the Exporter if the Exporter  defaults in the due  performance  or observance of
its duties or  obligations  as set out in this  Policy,  unless such  default is
cured or remedied by the Exporter within such fifteen day notice period.

Policy not Assignable

29. The  Exporter  shall not assign this Policy or any right,  title or interest
therein, without the prior approval in writing of EDC.

Good Faith

30.  Without  limiting the  operation  of any rule of law,  this Policy has been
issued on the condition  that the Exporter will observe the utmost good faith at
all  time;  and  that,  as at the date of  issuance  hereof,  the  Exporter  has
disclosed  to EDC all facts  material  to the Risks  insured,  and also that the
Exporter will promptly  disclosed to EDC all changes within the knowledge of the
Exporter which are material to any of the Risks insured.

Severability

31. If any provision of this Policy or the application  thereof to any person or
circumstance shall, to any extent, be invalid or unenforceable, the remainder of
this Policy and the  application of such  provision to persons or  circumstances
other that those as to which it is held invalid or  unenforcable,  shall not be
affected thereby and each provision of this Policy shall be separately valid and
enforcable to the fullest extent  permitted and this Policy shall be interpreted
as for as possible so as to give effect to its stated purposes.

Interpretation

32. The  marginal  notes and  headings  in this Policy  have been  inserted  for
convenience of reference only and do not form part of this Policy, and shall not
be referred to in the  interpretation of this Policy;  and all references herein
to "Section", "Subsection" and "Paragraph" shall respectively refer to Sections,
Subsections and Paragraphs of this Policy.

     DEFINITIONS

33. In this Policy,  and any  endorsement or schedule  hereto,  the terms "EDC",
"Exporter" and "Application" have the meaning ascribed to such terms as referred
to in the opening words on page 1 of this Policy, and

     (1)  "Affiliate" means a person carrying on business,

          (a)  that is either directly or indirectly  controlled by the Exporter
               or by a person that also controls the Exporter, or

          (b)  that either directly or indirectly control the Exporter,

and for purposes of this definition of Affiliate control means de facto control,

     (2)  "Contract  Currency"  means the  currency  in which the Gross  Invoice
          Value of goods is contractually  required to be paid by a buyer to the
          Exporter,

     (3)  "Credit  Approval" means a notice given by EDC to the Exporter stating
          specific terms and amount of the Credit Limit for a buyer,

     (4)  "Credit  Limit"  means the maximum  amount of Loss for which EDC claim
          payments  may be  computed  in respect  of any  individual  buyer,  as
          determined in that regard pursuant to Section 11, 12 or 13 as the case
          may be,

     (5)  "Dollars"  or "$" means the  Currency  described in Item 3 of Schedule
          "B",

     (6)  "Due Date" means the date on which an amount payable by a buyer to the
          Exporter under an Eligible Contract is due for payment,

     (7)  "Eligible  Contract"  means a contract of sale that is not an Excluded
          Contact, and which ,

          (a)  has been entered into by the Exporter with a buyer located in one
               of the countries designated in Schedule "B", and

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          (b)  complies with any special conditions set out in Schedule "B" for
               the  country in which the buyer is  located,  and which  provided
               that all amounts  payable by the buyer to the  Exporter  shall be
               paid,

               (i)  in Canadian or United States of America dollars, and

               (ii) within the maximum  terms of payment set out in Schedule "B"
                    for the country in which the buyer is located,

          subject  however to the provisions of any Credit  Approval  issued for
          that buyer,

     (8)  "Excluded Contract" means a contract of sale which EDC has advised the
          Exporter in writing is not subject to  insurance  coverage  under this
          Policy,

     (9)  "Gross  Invoice  Value" means the invoice value of goods together with
          the amount of any insurance,  freight or other handling costs incurred
          by the  Exporter  on behalf  of the  buyer at the time the goods  were
          Shipped, excluding however:

          (a)  any amount secured by an irrevocable letter of credit prior to or
               on the date on which the goods were Shipped,

          (b)  any amount paid by the buyer to the  Exporter  prior to or on the
               date on which the goods were Shipped, and

          (c)  any post maturity  interest which is computed for a period during
               which payment is in default,

     (10) "Insolvency  Of  The  Buyer"  means  those   circumstances  where  the
          financial  affairs of a buyer have resulted in the  reorganization  or
          winding up of the financial  affairs of the buyer under the bankruptcy
          or insolvency laws of that buyer's country,

     (11) "Loss"  means any loss  sustained  by the  Exporter  under an Eligible
          Contract computed in accordance with Section 16,

     (12) "Political  Risk" means a Risk  described in  Subsection  1(4),  1(5),
          1(6), or 1(7),

     (13) "Risk" means a risk described in Section 1, and

     (14) "Shipped"  means that goods sold by the  Exporter  to a foreign  buyer
          have been palaced in transit from a location with Canada to a delivery
          destination outside Canada.



                         EXPORT DEVELOPMENT CORPORATION


/s/   Signature                                    /s/ Signature
____________________________________               _____________________________

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                                                                          [LOGO]
                                                                           EDC
                                                                           SEE



                                                          Policy No.:  GC1-19781

                                                          Endorsement No.:     3

                                                          Issued:   May 26, 1999


                            CONTINUATION ENDORSEMENT


     This  Endorsement  is  attached  to and forms  part of  Export  Development
Corporation Global  Comprehensive  Policy (Shipments) No. GC1-19781,  dated June
30, 1998, in the name of Pultronex Corp..

     The end date of the period of cover set out in Section 1 of this  Policy is
hereby  amended by  replacing  in the fourth  line  thereof the date of "May 31,
1999" with the date of "May 31, 2001".

     The Exporter hereby expressly acknowledges its concurrence and agreement to
extend the  insurance  Policy  which is subject to the changes  reflected in the
attached  Schedule B. The maximum  liability amount or amounts,  as the case may
be, set out in Item 2 of the  attached  Schedule B shall apply to the payment of
all claims made by the  Exporter  after May 31,  1999,  on account of all Losses
suffered  under the Policy for the entire period of cover;  such amount  cancels
and  replaces the maximum  liability  amount or amounts set out in Item 2 of any
other  Schedule  B  issued  during  the  previous   period(s)  of  cover.   This
Continuation Endorsement requires your acceptance.


EXPORT DEVELOPMENT                               PULTRONEX CORP.
CORPORATION

/s/ Signature                                    /s/ Gary Loblick
------------------------                         ----------------------
                                                 (Authorized Signature)

/s/ Signature                                    May 29, 1999
------------------------                         ----------------------
                                                 (Date)



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