Document:

EXHIBIT 4.6

Central Banking Center                              Bank of America (Asia) Ltd.
                                                    G/F, 9 Queen's Road Central
                                                    Hong Kong
Our Ref  :     CB/03/111
Date     :     March 31, 2003                       Tel (852) 2844 7016
                                                    Fax (852) 2844 7065

Bonso Electronics Ltd.
Unit 1106-1110, 10/F.,
Star House,
3 Salisbury Road,
Tsimshatsui, Kowloon.

Attn.: Ms. Cathy Pang - Director of Finance
-------------------------------------------

Dear Madam,

Re: Banking Facilities to Bonso Electronics Ltd.
------------------------------------------------

We are pleased to set out the terms and conditions upon which we would make
available to you the following facilities (the "Facilities"), for a total
amount not to exceed at any one time HK$13,000,000.00 (or the equivalent, at
our spot selling rates for the time being in other freely available and
convertible currencies subject, in the Bank's opinion, to such currencies being
available). The terms set out in this letter supersede and replace those set
out in our letter of December 31, 2001.

A.   UTILISATION

1.   Facility I - Overdraft Line ............................... HK$200,000.00
     ----------   --------------

     Within the amount stated, this facility is available for overdraft on your
     current account no. 295632 with us and is repayable on demand. The amount
     overdrawn is expected to be fluctuating provided total amount overdrawn is
     within the line limit and the account to have active debits and credits.

II.  Facility II - Import Line ............................... HK$6,800,000.00
     -----------   -----------

     Within the amount stated, this facility is available for:-

     1.   Commercial Letters of Credit With or Without Title Documents: Issuance
          of sight commercial Letters of Credit, with or without title documents
          calling for merchandise which is contracted for on an arms-length
          basis and for full value. Local letters of Credit beneficiaries are to
          be pre-approved by us.

                                       -1-

<PAGE>

Borrower: Bonso Electronics Ltd.
--------------------------------

          You undertake that such credits, including the issuance of Local
          Letters of Credit calling for documents such as cargo receipts or
          local warehouse receipts, will not be used by you to refinance
          suppliers' credits previously extended or in respect of shipments
          already made, or in any way to obtain credits for merchandise which is
          contracted for other than on an arms-length basis and for full value,
          and/or

     2.   Inward Bills Financing: Inward bills financing under Letters of Credit
          issued by us supported by title documents over the merchandise with
          tenors of up to 30 days, and/or

     3.   Advances against Trust Receipts: Advances with tenors of up to 120
          days from date of release of title documents to you against Trust
          Receipts covering merchandise called for in commercial Letters of
          Credit issued by us; and/or

     4.   Shipping Guarantees under Letters of Credit: Issuance of Shipping
          Guarantees with tenors of up to 30 days supported by Trust Receipts
          covering merchandise called for in commercial Letters of Credit issued
          by us.

          Total tenor for each inward bills transaction is not to exceed 120
          days:

III. Facility III - Export Line.................................HK$6,000,000.00
     ------------   -----------

Within the amount stated, this facility is available for:-

     1.   Indemnities for Discrepancies in Letters of Credit Documents:
          Negotiation of documentary bills under Letters of Credit with
          discrepancies noted on documents presented.

B.   SECURITY/SUPPORT
     ----------------

     Your obligation in respect of the Facilities is to be secured/supported
     by:-

     1.   A Corporate Guarantee executed by Bonso Electronics International Inc.
          (the "Guarantor") for HK$16,000,000.00;

     which must be in a form satisfactory to us.

C.   UNDERTAKINGS
     ------------

     Applications by you to use any of the Facilities will not be accepted by us
     unless you comply with the following conditions/covenants and such other
     provisions as we may determine from time to time:-

                                       -2-

                                 Bank of America

<PAGE>

Borrower: Bonso Electronics Ltd.
--------------------------------

     1.   You will have delivered to us the attached copy of this letter duly
          signed by the authorized signatory(ies).

     2.   Your obligations under the Facilities must rank at all times at least
          pari passu with all the claims (whether present or future, actual or
          contingent) of your unsecured creditors other than any claims
          preferred solely by law.

     3.   You will provide your and the Guarantor's annual audited and
          semi-annual financial statements within 10 months and 3 months of the
          relevant year end and will promptly provide any other information
          which we may request. Such financial statements shall be accompanied
          by an opinion satisfactory to the Bank. You represent that financial
          statements (whether audited or unaudited) delivered by you under the
          terms of the agreement fairly capture all material contingent
          liabilities in accordance with applicable accounting principles.

     4.   Any finance extended to you hereunder should be made on the
          understanding that you will route to us your documentary export
          letters of credit bills of no less than HY$10,000,000.00 within the
          period from the date of your acceptance of this letter until the date
          as indicated at the third paragraph under Section E for Facility III
          of this same letter.

     5.   Local L/C beneficiaries are restricted to the following companies:

          (a)   Arrow / Components Agent Ltd.
          (b)   Avnet WKK Components Ltd.
          (c)   Career (Universal) Electronics Ltd.
          (d)   EDAL Electronics Co. Ltd.
          (e)   Enterprise Electronic Component Co., Ltd.
          (f)   General Glory Co., Ltd.
          (g)   Global Circuits Board Co., Ltd.
          (h)   GPI International Ltd.
          (i)   HongKong Noble Electronics Co. Ltd.
          (j)   Hong Kong Satori Co., Ltd.
          (k)   Hop Hing Industrial Co., Ltd.
          (1)   Interquip Ltd.
          (m)   Jack Tung Ltd.
          (n)   Joint Harvest Industries Ltd.
          (o)   KEC HK Corp. Ltd.
          (p)   Kingchamp Industrial Co.
          (q)   Kwang Sung Electronics HK Co .Ltd.
          (r)   Leader Printed Circuit Boards Ltd.
          (s)   Li Seng Technology Ltd.
          (t)   Philconic International Ltd.
          (u)   Sanyu Technology (H.K.) Ltd.

                                      -3-

                                 Bank of America

<PAGE>

Borrower: Bonso Electronics Ltd.
--------------------------------

          (v)  Sumikin Bussan International (HK) Ltd.
          (w)  Toshiba Electronic Asia Ltd.
          (x)  Weltronics Component Ltd.
          (y)  Win Industrial (HK) Co. Ltd.
          (z)  Wing Kay Industrial Co.
          (aa) Wui Lee Metals Co. Ltd.

     6.   You represent and warrant that acceptance of the Facilities on the
          terms and conditions set out herein and utilization of the Facilities
          does not and will not exceed your objects or powers or the powers of
          your directors, including, without limitation, any limit on your or
          your directors' power to borrow.

     7.   You agree that we may provide any person proposing to give a guarantee
          or third party security in relation to the Facilities (a "Surety") or
          the legal advisers of any Surety with (i) a copy of this letter and
          any document in connection with the Facilities evidencing the
          obligations to be guaranteed or secured, (ii) a copy of any formal
          demand for overdue payment that is sent to you if you fail to settle
          any overdue amount in connection with the Facilities following
          customary reminder and (iii) a copy of the latest statement of account
          provided to you (if any) in connection with the

D.   INTEREST, CHARGES, OTHER TERMS AND CONDITIONS
     ---------------------------------------------

     Any financing extended by us will be subject to the following interest
     rates and/or commissions and/or charges determined by us and documentation
     in form and substance satisfactory to us, containing other provisions to be
     prescribed by us at the time of any application by you to use any of the
     Facilities.

     1.   In respect of Overdraft Line (Facility I), interest is calculated on a
          daily basis and charged at the higher of (1) the prime rate for
          lending Hong Kong dollars as published and/or announced and/or applied
          by Bank of America (Asia) Ltd. from time to time or (2) 0.5% per annum
          plus one-month Hong Kong Interbank Offered Rate (quoted on Reuters
          monitor screen at or about 11:00 a.m. on the relevant day), in each
          case as determined by the Bank, subject to fluctuations at our
          discretion and is payable monthly in arrears.

     2.   In respect of Import and Export Line (Facility II and III), interest
          is calculated on a daily basis and charged at:

          (i)  to the extent the amounts outstanding are denominated in Hong
               Kong dollars, 2% per annum plus Hong Kong Interbank Offered Rate
               (quoted. on Reuters monitor screen at or about 11:00 am. on the
               relevant day), in each case as determined by the Bank and/or

                                       -4-

                                 Bank of America

<PAGE>

Borrower: Bonso Electronics Ltd.
--------------------------------

          (ii) to the extent the amounts outstanding are denominated in
               currencies other than Hong Kong dollars, 2% per annum plus
               Singapore Interbank Offered Rate (quoted on Reuters monitor
               screen at or about 11:00 a.m. on the relevant day), in each case
               as determined by the Bank.

          subject to fluctuations at our discretion and is payable in arrears.

     3.   Please note that the rates, commissions and other charges are subject
          to changes at our discretion.

E.   APPLICATIONS AND OTHER CONDITIONS
     ---------------------------------

     Each application by you to use the Facilities in whole or in part shall be
     a request by you to us to extend financing on the terms set out or referred
     to above. No commitment by us to extend financing shall arise until any
     application by you is accepted by us either expressly or by our extending
     finance to you. Local and Euro currency borrowings are subj ect to
     availability of funds at the time requested.

     Such applications shall be made, where applicable, on our standard forms
     and supported by such documentation as we may require in a form
     satisfactory to us.

     Applications made after March 31, 2004 to use Facilities 1, II and III on
     the terms set out herein will not normally be considered by us but if we
     accommodate your request after such date, then all terms set out or
     referred to herein shall apply to such accommodation.

     Any finance so extended shall in addition be subject to and in accordance
     with the terms set out in all current standard agreements and other
     documentation signed by you or on your behalf applying generally to credit
     and other banking facilities and accommodation and banking services granted
     or continued by us to you including, without limitation the General
     Agreement by Customer(s).

     Notwithstanding any other provision of this letter, all of your liabilities
     hereunder whether actual or contingent will, on demand by us at our
     absolute discretion, become immediately due and payable together with
     accrued interest and the Facilities will thereafter be cancelled if we, at
     any time, serve a notice upon you terminating the Facilities and requiring
     payment.

F.   LAW AND JURISDICTION
     --------------------

     This letter will be governed by and construed in all respects in accordance
     with the laws of Hong Kong. Upon acceptance of the terms and conditions of
     the Facilities you irrevocably submit for our benefit to the non-exclusive
     jurisdiction of the Hong Kong courts.

                                       -5-

                                  Bank of America

<PAGE>

Borrower: Bonso Electronics Ltd.
--------------------------------

Please confirm your agreement to the foregoing terms and conditions of the
Facilities by signing and returning to us the enclosed duplicate copy of this
letter at your earliest convenience and in any event not later than April 30,
2003. Notwithstanding your failure to return this letter, the use of the
Facilities by you shall be deemed as your acceptance of all terms and conditions
as stated.

Yours faithfully,
For and on behalf of
BANK OF AMERICA (ASIA) LTD.
Central Banking Center

/s/  Kamman Chu                             /s/  Alfred Lau
-----------------------------               -------------------------------
     Kamman Chu                                  Alfred Lau
     Assistant Vice President                    First Vice Preside & Manager

We confirm our agreement to the terms and conditions of the Facilities set out
in a letter to us from Bank of America (Asia) Ltd. of which this is a copy.

Borrower:
For and on behalf of
Bonso Electronics Ltd.

/s/ Anthony So
-----------------------------
Date

AL/KC/RqW/sl
                                       -6-

                                  Bank of AmericaEXHIBIT 4.7

150 years                                                             STANDARD
    with you                                                         CHARTERED

Date:          22nd April 2003
Our ref:       C&I/LC/TEAM3/BKK

CONFIDENTIAL
------------

Bonso Electronics Ltd.
Units 1106-1110
11/F., Star House
3 Salisbury Road
Tsimshatsui
Kowloon

Attn.: Mr. Anthony So/Ms. Cathy Pang
------------------------------------

Dear Sirs,

                   BANKING FACILITIES: BONSO ELECTRONICS LTD.

We refer to our letter dated 5th March 2001 setting out the facilities made
available to your company (the "Company"), as varied by our letters dated 11th
May 2001, 17th May 2002 and 8th April 2003.

Following our recent discussions, we confirm that the terms of the facilities
have been further varied as follows:

INTEREST, COMMISSIONS AND FEES

Under this paragraph, interest on Trade Finance Facilities is revised to read as
follows with immediate effect:-

Export bills will be discounted and import bills will be financed at HIBOR plus
2% peg annum for Hong Kong Dollar bills (previously at our standard bills
finance rate minus 0.5% per annum), at LIBOR plus 2% per annum for United
States Dollar bills and at our standard bills finance rates plus 0.25% per annum
for other foreign currency bills. All past due bills shall bear interest at 4%
per annum above the rates charged on your regular bills outstandings.

This letter will amend the terms of the existing facility letters which the Bank
has issued to the Company as previously varied, as set out above. In all other
respects, the terms of the existing facility letters as previously varied will
remain in full force and effect. This letter will be governed by Hong Kong SAR
law.

Standard Chartered Bank
Corporate & Institutional Banking
Credit Operations

11 th Floor Standard Chartered Tower
388 Kwun Tong Road Kwun Tong Hong Kong

Incorporated in England with limited liability by Royal Charter 1853
The principal office of the Company is situated in England at 1 Aldermanbury
Square London EC2V 79B Reference Number ZC 18
================================================================================

<PAGE>

Bonso Electronics Ltd.                                                    Page 2

If you have any queries, please contact our Senior Relationship Manager Ms. Rons
Fong, whose telephone number is 2821-1953.

We are pleased to be of service to you and take this opportunity to thank you
again for your custom.

Yours faithfully,
For and on behalf of STANDARD CHARTERED BANK

/s/  Anita Poon
----------------------------------
     Anita Poon
     Senior Credit Documentation Manager

 AP/ky

================================================================================

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