Document:

EXHIBIT 10.13

                                 PROMISSORY NOTE

$63,000                                                     Dated:  May 18, 2006

          ChinaGrowth  South  Acquisition  Corporation (the "Maker") promises to
pay to the order of Chum Capital  Group  Limited (the "Payee") the principal sum
of Sixty Three Thousand  Dollars and zero cents ($63,000) in lawful money of the
United States of America, on the terms and conditions described below.

     1. PRINCIPAL.  The principal balance of this Note shall be repayable on the
date on which Maker consummates an initial public offering of its securities.

     2. INTEREST.  No interest shall accrue on the unpaid  principal  balance of
this Note.

     3. APPLICATION OF PAYMENTS.  All payments shall be applied first to payment
in full of any costs  incurred in the collection of any sum due under this Note,
including (without limitation)  reasonable  attorney's fees, then to the payment
in full of any late charges and finally to the reduction of the unpaid principal
balance of this Note.

     4. EVENTS OF DEFAULT. The following shall constitute Events of Default:

       (a)  Failure  to Make  Required  Payments.  Failure  by  Maker to pay the
principal of this Note within five (5)  business  days  following  the date when
due.

       (b) Voluntary  Bankruptcy,  Etc. The commencement by Maker of a voluntary
case under the Federal Bankruptcy Code, as now constituted or hereafter amended,
or any other applicable federal or state bankruptcy, insolvency, reorganization,
rehabilitation  or other similar law, or the consent by it to the appointment of
or taking possession by a receiver,  liquidator,  assignee,  trustee, custodian,
sequestrator (or other similar official) of Maker or for any substantial part of
its  property,  or the  making  by it of  any  assignment  for  the  benefit  of
creditors,  or the  failure  of Maker  generally  to pay its debts as such debts
become due, or the taking of corporate  action by Maker in furtherance of any of
the foregoing.

       (c)  Involuntary  Bankruptcy,  Etc.  The  entry of a decree  or order for
relief by a court having  jurisdiction in the premises in respect of Maker in an
involuntary  case  under  the  Federal  Bankruptcy  Code,  as now  or  hereafter
constituted, or any other applicable federal or state bankruptcy,  insolvency or
other similar law, or appointing a receiver,  liquidator,  assignee,  custodian,
trustee, sequestrator (or similar official) of Maker or for any substantial part
of its property,  or ordering the winding-up or liquidation of its affairs,  and
the  continuance of any such decree or order unstayed and in effect for a period
of 60 consecutive days.

     5. REMEDIES.

       (a) Upon the occurrence of an Event of Default specified in Section 4(a),
Payee may, by written notice to Maker,  declare this Note to be due and payable,
whereupon  the  principal

<PAGE>

amount of this Note,  and all other  amounts  payable  thereunder,  shall become
immediately due and payable without presentment, demand, protest or other notice
of any kind, all of which are hereby expressly waived, anything contained herein
or in the documents evidencing the same to the contrary notwithstanding.

       (b) Upon the occurrence of an Event of Default specified in Sections 4(b)
and 4(c),  the unpaid  principal  balance  of, and all other sums  payable  with
regard to, this Note shall automatically and immediately become due and payable,
in all cases without any action on the part of Payee.

     6. WAIVERS.  Maker and all endorsers and  guarantors  of, and sureties for,
this Note waive presentment for payment,  demand,  notice of dishonor,  protest,
and  notice of  protest  with  regard  to the  Note,  all  errors,  defects  and
imperfections  in any  proceedings  instituted  by Payee under the terms of this
Note,  and all  benefits  that might accrue to Maker by virtue of any present or
future  laws  exempting  any  property,  real or  personal,  or any  part of the
proceeds arising from any sale of any such property,  from  attachment,  levy or
sale under  execution,  or providing for any stay of execution,  exemption  from
civil process, or extension of time for payment;  and Maker agrees that any real
estate that may be levied upon pursuant to a judgment obtained by virtue hereof,
on any writ of execution issued hereon,  may be sold upon any such writ in whole
or in part in any order desired by Payee.

     7. UNCONDITIONAL  LIABILITY.  Maker hereby waives all notices in connection
with the delivery,  acceptance,  performance,  default,  or  enforcement  of the
payment of this Note,  and agrees  that its  liability  shall be  unconditional,
without regard to the liability of any other party, and shall not be affected in
any manner by any indulgence, extension of time, renewal, waiver or modification
granted or consented  to by Payee,  and  consents to any and all  extensions  of
time,  renewals,  waivers,  or  modifications  that may be granted by Payee with
respect  to the  payment  or other  provisions  of this  Note,  and  agree  that
additional makers, endorsers,  guarantors, or sureties may become parties hereto
without notice to them or affecting their liability hereunder.

     8. NOTICES.  Any notice called for hereunder shall be deemed properly given
if (i)  sent by  certified  mail,  return  receipt  requested,  (ii)  personally
delivered,  (iii) dispatched by any form of private or governmental express mail
or delivery service  providing  receipted  delivery or (iv) sent by facsimile or
(v) to the  following  addresses  or to such other  address as either  party may
designate by notice in accordance with this Section:

        If to Maker:

                ChinaGrowth South Acquisition Corporation
                1818 Canggong Road, Fengxian
                Shanghai Chemical Industry Park
                Shanghai, China 201417
                Attn.:  Chief Executive Officer

<PAGE>

        If to Payee:

                Chum Capital Group Limited
                c/o ChinaGrowth South Acquisition Corporation
                1818 Canggong Road, Fengxian
                Shanghai Chemical Industry Park
                Shanghai, China 201417

              Notice shall be deemed given on the earlier of (i) actual  receipt
by the  receiving  party,  (ii)  the  date  shown  on a  facsimile  transmission
confirmation, (iii) the date reflected on a signed delivery receipt, or (iv) two
(2) Business  Days  following  tender of delivery or dispatch by express mail or
delivery service.

     9.  CONSTRUCTION.  THIS NOTE SHALL BE CONSTRUED  AND ENFORCED IN ACCORDANCE
WITH THE  DOMESTIC,  INTERNAL  LAW, BUT NOT THE LAW OF CONFLICT OF LAWS,  OF THE
STATE OF NEW YORK.

     10. SEVERABILITY.  Any provision contained in this Note which is prohibited
or  unenforceable  in  any  jurisdiction  shall,  as to  such  jurisdiction,  be
ineffective  to the  extent  of such  prohibition  or  unenforceability  without
invalidating  the  remaining  provisions  hereof,  and any such  prohibition  or
unenforceability   in  any   jurisdiction   shall  not   invalidate   or  render
unenforceable such provision in any other jurisdiction.

<PAGE>

     IN WITNESS WHEREOF, Maker, intending to be legally bound hereby, has caused
this Note to be duly  executed by its Chief  Executive  Officer the day and year
first above written.

                                               CHINAGROWTH SOUTH ACQUISITION
                                               CORPORATION

                                               By: /s/ Michael W. Zhang
                                                   _____________________________
                                               Name:  Michael W. Zhang
                                               Title: Chief Executive OfficerEXHIBIT 10.14

                                 PROMISSORY NOTE

$50,400                                                     Dated:  May 18, 2006

          ChinaGrowth  South  Acquisition  Corporation (the "Maker") promises to
pay to the order of Guorun Group  Limited (the  "Payee")  the  principal  sum of
Fifty Thousand Four Hundred  Dollars and zero cents ($50,400) in lawful money of
the United States of America, on the terms and conditions described below.

     1. PRINCIPAL.  The principal balance of this Note shall be repayable on the
date on which Maker consummates an initial public offering of its securities.

     2. INTEREST.  No interest shall accrue on the unpaid  principal  balance of
this Note.

     3. APPLICATION OF PAYMENTS.  All payments shall be applied first to payment
in full of any costs  incurred in the collection of any sum due under this Note,
including (without limitation)  reasonable  attorney's fees, then to the payment
in full of any late charges and finally to the reduction of the unpaid principal
balance of this Note.

     4. EVENTS OF DEFAULT. The following shall constitute Events of Default:

       (a)  Failure  to Make  Required  Payments.  Failure  by  Maker to pay the
principal of this Note within five (5)  business  days  following  the date when
due.

       (b) Voluntary  Bankruptcy,  Etc. The commencement by Maker of a voluntary
case under the Federal Bankruptcy Code, as now constituted or hereafter amended,
or any other applicable federal or state bankruptcy, insolvency, reorganization,
rehabilitation  or other similar law, or the consent by it to the appointment of
or taking possession by a receiver,  liquidator,  assignee,  trustee, custodian,
sequestrator (or other similar official) of Maker or for any substantial part of
its  property,  or the  making  by it of  any  assignment  for  the  benefit  of
creditors,  or the  failure  of Maker  generally  to pay its debts as such debts
become due, or the taking of corporate  action by Maker in furtherance of any of
the foregoing.

       (c)  Involuntary  Bankruptcy,  Etc.  The  entry of a decree  or order for
relief by a court having  jurisdiction in the premises in respect of Maker in an
involuntary  case  under  the  Federal  Bankruptcy  Code,  as now  or  hereafter
constituted, or any other applicable federal or state bankruptcy,  insolvency or
other similar law, or appointing a receiver,  liquidator,  assignee,  custodian,
trustee, sequestrator (or similar official) of Maker or for any substantial part
of its property,  or ordering the winding-up or liquidation of its affairs,  and
the  continuance of any such decree or order unstayed and in effect for a period
of 60 consecutive days.

     5. REMEDIES.

       (a) Upon the occurrence of an Event of Default specified in Section 4(a),
Payee may, by written notice to Maker,  declare this Note to be due and payable,
whereupon  the  principal

<PAGE>

amount of this Note,  and all other  amounts  payable  thereunder,  shall become
immediately due and payable without presentment, demand, protest or other notice
of any kind, all of which are hereby expressly waived, anything contained herein
or in the documents evidencing the same to the contrary notwithstanding.

       (b) Upon the occurrence of an Event of Default specified in Sections 4(b)
and 4(c),  the unpaid  principal  balance  of, and all other sums  payable  with
regard to, this Note shall automatically and immediately become due and payable,
in all cases without any action on the part of Payee.

     6. WAIVERS.  Maker and all endorsers and  guarantors  of, and sureties for,
this Note waive presentment for payment,  demand,  notice of dishonor,  protest,
and  notice of  protest  with  regard  to the  Note,  all  errors,  defects  and
imperfections  in any  proceedings  instituted  by Payee under the terms of this
Note,  and all  benefits  that might accrue to Maker by virtue of any present or
future  laws  exempting  any  property,  real or  personal,  or any  part of the
proceeds arising from any sale of any such property,  from  attachment,  levy or
sale under  execution,  or providing for any stay of execution,  exemption  from
civil process, or extension of time for payment;  and Maker agrees that any real
estate that may be levied upon pursuant to a judgment obtained by virtue hereof,
on any writ of execution issued hereon,  may be sold upon any such writ in whole
or in part in any order desired by Payee.

     7. UNCONDITIONAL  LIABILITY.  Maker hereby waives all notices in connection
with the delivery,  acceptance,  performance,  default,  or  enforcement  of the
payment of this Note,  and agrees  that its  liability  shall be  unconditional,
without regard to the liability of any other party, and shall not be affected in
any manner by any indulgence, extension of time, renewal, waiver or modification
granted or consented  to by Payee,  and  consents to any and all  extensions  of
time,  renewals,  waivers,  or  modifications  that may be granted by Payee with
respect  to the  payment  or other  provisions  of this  Note,  and  agree  that
additional makers, endorsers,  guarantors, or sureties may become parties hereto
without notice to them or affecting their liability hereunder.

     8. NOTICES.  Any notice called for hereunder shall be deemed properly given
if (i)  sent by  certified  mail,  return  receipt  requested,  (ii)  personally
delivered,  (iii) dispatched by any form of private or governmental express mail
or delivery service  providing  receipted  delivery or (iv) sent by facsimile or
(v) to the  following  addresses  or to such other  address as either  party may
designate by notice in accordance with this Section:

        If to Maker:

                ChinaGrowth South Acquisition Corporation
                1818 Canggong Road, Fengxian
                Shanghai Chemical Industry Park
                Shanghai, China 201417
                Attn.:  Chief Executive Officer

<PAGE>

        If to Payee:

                Guorun Group Limited
                c/o ChinaGrowth South Acquisition Corporation
                1818 Canggong Road, Fengxian
                Shanghai Chemical Industry Park
                Shanghai, China 201417

              Notice shall be deemed given on the earlier of (i) actual  receipt
by the  receiving  party,  (ii)  the  date  shown  on a  facsimile  transmission
confirmation, (iii) the date reflected on a signed delivery receipt, or (iv) two
(2) Business  Days  following  tender of delivery or dispatch by express mail or
delivery service.

     9.  CONSTRUCTION.  THIS NOTE SHALL BE CONSTRUED  AND ENFORCED IN ACCORDANCE
WITH THE  DOMESTIC,  INTERNAL  LAW, BUT NOT THE LAW OF CONFLICT OF LAWS,  OF THE
STATE OF NEW YORK.

     10. SEVERABILITY.  Any provision contained in this Note which is prohibited
or  unenforceable  in  any  jurisdiction  shall,  as to  such  jurisdiction,  be
ineffective  to the  extent  of such  prohibition  or  unenforceability  without
invalidating  the  remaining  provisions  hereof,  and any such  prohibition  or
unenforceability   in  any   jurisdiction   shall  not   invalidate   or  render
unenforceable such provision in any other jurisdiction.

<PAGE>

     IN WITNESS WHEREOF, Maker, intending to be legally bound hereby, has caused
this Note to be duly  executed by its Chief  Executive  Officer the day and year
first above written.

                                               CHINAGROWTH SOUTH ACQUISITION
                                               CORPORATION

                                               By: /s/ Michael W. Zhang
                                                   _____________________________
                                               Name:  Michael W. Zhang
                                               Title: Chief Executive Officer

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