CERTIFICATE OF DESIGNATIONS, PREFERENCES AND RIGHTS OF

                   SERIES C 8% CONVERTIBLE PREFERRED STOCK OF

                                  CELCOR, INC.

             Pursuant to Section 151 of the General Corporation Law

                            of the State of Delaware

     Celcor, Inc., a Delaware  corporation (the  "Corporation"),  certifies that
pursuant to the  authority  contained in Article  FOURTH of its  Certificate  of
Incorporation,  as amended, and in accordance with the provisions of Section 151
of the General Corporation Law of the State of Delaware,  its Board of Directors
has adopted the following  resolution  creating a series of its Preferred  Stock
designated as Series C 8% Convertible Preferred Stock.

     RESOLVED,  that a series of  1,000,000  shares  of the class of  authorized
Preferred  Stock of the  Corporation,  par value one mill ($.001) per share,  be
hereby  created,  said  shares  to be  designated  as  Series  C 8%  Convertible
Preferred Stock ("8% Convertible Preferred Stock"), and the powers and relative,
participating,  optional and other  special  rights of the shares of such series
and the qualifications, limitations or restrictions thereof are as follows:

                  (a) The stated  value of the 8%  Convertible  Preferred  Stock
shall  be Three  Dollars  ($3.00)  per  share.  The  holders  of 8%  Convertible
Preferred  Stock,  in  preference  to the  holders  of the  Common  Stock of the
Corporation,  shall be  entitled  to receive  dividends  at the rate of $.24 per
share per annum, and no more, the same being equal to 8% of the stated value per
share thereof,  and no more, payable on June 30, 1997 and quarterly  thereafter.
Such  preferential  dividend on shares of 8% Convertible  Preferred  Stock shall
commence to accrue from the date of issue of such shares.

     Preferential  dividends  on the 8%  Convertible  Preferred  Stock  shall be
deemed  to  accrue  from  day to  day.  Such  preferential  dividends  shall  be
cumulative,  and the deficiency, if any, shall be fully paid or declared and set
apart  before any  dividend  shall be paid upon or declared or set apart for the
Common Stock.  Accumulations of dividends on shares of 8% Convertible  Preferred
Stock shall not bear interest.

                  (b) The 8% Convertible  Preferred  Stock shall be preferred as
to  assets  over the  Common  Stock,  so that in the event of the  voluntary  or
involuntary  liquidation,  dissolution  or  winding up of the  Corporation,  the
holders of 8%  Convertible  Preferred  Stock shall be entitled to have set apart
for  them,  or to be paid  out of the  assets  of the  Corporation,  before  any
distribution  is made to or set apart for the  holders of the Common  Stock,  an
amount in cash  equal to Three  Dollars  ($3.00)  per share  plus a sum equal to
accrued and unpaid dividends thereon, whether or not declared, and no more.

                  (c)  Except as  otherwise  herein or by law  provided,  the 8%
Convertible  Preferred  Stock  shall  not be  entitled  to  vote  on any  matter
submitted to a vote of stock-holders of the Corporation.

                  (d) Each share of the 8%  Convertible  Preferred  Stock may be
converted,  at the option of the holder  thereof,  at any time during the period
beginning  July 1, 1994 and ending  June 30, 1997 into three (3) shares of fully
paid and nonassessable  Common Stock of the Corporation,  subject to adjustment,
however,  as hereinafter in paragraph (e) provided.  Upon any such conversion of
shares of 8%  Convertible  Preferred  Stock no allowance or adjustment  shall be
made with respect to the dividends upon either class of Stock.

                  Such  option to  convert  shares of 8%  Convertible  Preferred
Stock into Shares of Common Stock may be exercised by, and only by, surrendering
for such purpose to the Corporation, at the office of the Corporation or that of
one of its Transfer Agents for its Common Stock,  certificates  representing the
shares to be converted,  duly endorsed or accompanied  by proper  instruments of
transfer,  if so required by the  Corporation or any such Transfer Agent. At the
time of such  surrender,  the person  exercising such option to convert shall be
deemed  to be the  holder  of the  shares of  Common  Stock  issuable  upon such
conversion, notwithstanding that the stock transfer books of the Corporation may
then be closed or that  certificates  representing  such shares of Common  Stock
shall not then be actually delivered to such person.

                  The term "Common Stock," as used in paragraphs (a)-(k),  shall
mean  Common  Stock  of the  character  authorized  at the  date of the  initial
issuance of the 8% Convertible Preferred Stock or, in case of a reclassification
or  exchange of such  Common  Stock,  shares of the stock into or for which such
Common Stock shall be reclassified or exchanged and all provisions of paragraphs
(a)-(k) shall be applied  appropriately  thereto and to any stock resulting from
any subsequent reclassification or exchange thereof.

                  (e) The number of shares of Common Stock into which the shares
of 8%  Convertible  Preferred  Stock  may  be  converted  shall  be  subject  to
adjustment from time to time in certain instances as follows:

                  (1) The term "Conversion Price" as used herein means an amount
such that when the sum of $3.00 is divided by such Conversion  Price, the result
is the number of shares of Common  Stock into which one share of 8%  Convertible
Preferred Stock will be converted.  The initial Conversion Price hereunder shall
be $1.00.

                  (2) If at any time the  outstanding  shares of Common Stock of
the Corporation shall be subdivided or combined into a greater or smaller number
of  shares  (by way of  reclassification  or split up of  shares or in any other
manner),  then the  conversion  Price shall be  multiplied  by a  fraction,  the
numerator of which is the total number of issued and  outstanding  Common Shares
prior to such  subdivision  or combination  and the  denominator of which is the
total number of issued and outstanding  shares of Common Stock immediately after
such subdivision or combination.

                  (3) If at any time there is  declared  on the Common  Stock of
the Corporation any dividend  payable in Common Stock of the  Corporation,  then
the Conversion  Price shall be multiplied by a fraction,  the numerator of which
is the total  aggregate  number of shares of Common Stock issued and outstanding
prior to such  dividend,  and the  denominator  of which is the total  number of
issued and outstanding shares of Common Stock immediately after such dividend.

                  (4) If the  Corporation  shall  issue  or sell any  shares  of
Common Stock  (excluding  certain shares  hereinafter set forth in clause (5) of
this  paragraph  (e)) for a  consideration  per share other than the  Conversion
Price in effect immediately  before the time provided for such adjustment,  said
conversion price shall be adjusted to a price determined by dividing:

                  (i) an amount  equal to (A) the  number  of  issued  shares of
Common Stock  immediately  prior to such issuance or sale multiplied by the then
current  conversion price plus (B) the  consideration,  if any,  received by the
Corporation  upon such issuance or sale and plus (C) the net excess,  if any, of
the  aggregate  proceeds  actually  received  from the prior sale or issuance of
Common Stock (except as provided in clause (5) of this  paragraph  (e)) over the
then current conversion price less (D) the deficiency in the aggregate proceeds,
received  or deemed to be  received,  from the prior sale or  issuance of Common
Stock  (except as provided in clause (5) of this  paragraph  (e)) under the then
current Conversion Price (excluding the consideration  received under (B) above)
all as determined  since the last required  change in the Conversion  Price as a
result of this formula, by

                (ii)     the number of issued shares of Common Stock immediately
after such issuance or sale.

     After such  calculation,  the number of shares of Common Stock  deliverable
upon conversion of each share of the 8% Convertible Preferred Stock shall be the
quotient  obtained  by  dividing  $3.00 by the  Conversion  Price  so  adjusted;
provided,  however,  that notwithstanding the foregoing,  no adjustment shall be
made  pursuant  to this  clause (4) which  would  result in an  increase  in the
Conversion Price over $1.00.

     For the purpose of this  clause  (4),  the  following  provisions  shall be
applicable:

                  (aa) In case of the issuance or sale of Common Stock for cash,
the  consideration  shall be  deemed  to be the cash  proceeds  received  by the
Corporation  before  deducting  any  discounts,  commissions  or other  expenses
incurred  in  connection  therewith.  In the case of  issuance or sale of Common
Stock  (otherwise  than upon conversion or exchange of securities by their terms
convertible or exchangeable  into Common Stock) for a  consideration  other than
cash,  the  amount of such  consideration  shall be deemed to be the fair  value
thereof as determined by the Board of Directors,  irrespective of the accounting
treatment thereof.

                  (bb) If the Corporation  issues options or rights to subscribe
for shares of Common Stock or issues securities  convertible into,  exchangeable
for, or carrying  rights of purchases  of,  shares of Common  Stock,  and if the
consideration  per share of the Common Stock  deliverable  upon exercise of such
options or rights or upon conversion or exchange of such securities  (determined
by dividing  the total  amount  received or  receivable  by the  Corporation  as
consideration for the granting of such options or rights or the issue or sale of
such convertible or exchangeable  securities,  plus the minimum aggregate amount
of  additional  consideration,  if any,  payable  to the  Corporation  upon  the
exercise,  conversion or exchange thereof, by the total maximum number of shares
of Common Stock  issuable upon such exercise,  conversion or exchange),  is less
than the  conversion  price in effect as to the 8% Convertible  Preferred  Stock
immediately prior to such issuance:

                  (i) In the case of  options  or  rights,  the shares of Common
Stock deliverable upon their exercise shall be considered to have been issued at
the time of issuance of such options or rights and the  aggregate  consideration
shall be the minimum  purchase price payable to the Corporation upon exercise of
such option or rights plus any additional  consideration received by it for such
options or rights at the time of their issuance.

                  (ii) In the case of  convertible or  exchangeable  securities,
the maximum number of shares of Common Stock  initially  deliverable  upon their
conversion  or exchange  shall be  considered to have been issued at the time of
issuance  or sale of  such  securities  and  for a  consideration  equal  to the
consideration received by the Corporation for such securities,  before deducting
any discounts, commissions or other expenses in connection with the issuance and
sale of such  securities,  plus the minimum  additional  consideration,  if any,
receivable by the Corporation upon the conversion or exchange thereof.

                  (iii) No further  adjustment  of a  conversion  price shall be
made upon the actual  issue of such  Common  Stock,  upon the  exercise  of such
rights or options or upon the  conversion  or  exchange of such  convertible  or
exchangeable securities.

                  (iv) Upon the  expiration  of such  options or rights,  or the
termination  of such right to convert or exchange,  the  conversion  price shall
forthwith be readjusted to such conversion  price as would have obtained had the
adjustment  made upon the issuance of such options,  rights,  or  convertible or
exchangeable securities been made upon the basis of the issuance or sale of only
the number of shares of Common Stock  actually  issued upon the exercise of such
options or rights or upon the conversion or exchange of such securities.

                  (v) In the event that, prior to the expiration of such options
or  rights  or the  termination  of such  right  to  convert  or  exchange,  the
consideration payable on the issuance,  sale or delivery of the shares of Common
Stock shall increase,  or the number of shares of Common Stock  deliverable upon
conversion of or in exchange for any such  convertible or exchangeable  security
shall  decrease,  the  conversion  price shall  forthwith be  readjusted to such
conversion  price  as would  have  obtained  had the  adjustment  made  upon the
issuance of such options,  rights or convertible or exchangeable securities been
made (except with respect to options or rights exercised or securities converted
or  exchanged  prior  to such  readjustment)  upon the  basis of such  increased
consideration payable or decreased number of shares deliverable.

                  (vi)  Options  or  rights   issued  or  granted  pro  rata  to
stockholders without consideration and securities convertible into, exchangeable
for, or carrying rights of purchase of, shares of Common Stock, which securities
are issuable by way of dividend or other distribution to stockholders,  shall be
deemed to have been issued or granted at the close of business on the date fixed
for the  determination  of stockholders  entitled thereto and shall be deemed to
have been issued without consideration.

                  (cc) Any shares of Common  Stock or other  securities  held in
the  treasury of the  Corporation  shall be deemed  issued and the sale or other
disposition thereof shall not be deemed an issuance or sale thereof.

                  (5) The  conversion  price  shall not be adjusted by reason of
the issuance of shares pursuant to options or stock purchase  agreements granted
to, or entered into with,  officers and employees of the  Corporation  or of any
subsidiary,  provided that such shares shall not exceed 300,000 shares of Common
Stock,  and  provided  further  that such  number  of  300,000  shares  shall be
increased  or  decreased  proportionately  in the  event of the  subdivision  or
combination of the outstanding  shares of Common Stock of the Corporation into a
greater or smaller number of shares (by way of  reclassification  or split up of
shares or in any other  manner) or the  declaration  of stock  dividends  on the
Common Stock of the Corporation.

                  (6) No adjustment in the conversion  prices resulting from the
application of the foregoing  provisions is to be given effect unless, by making
such  adjustment,  the  conversion  price in  effect  immediately  prior to such
adjustment  would be changed by ten (10) cents or more, but any adjustment which
would change the  conversion  price by less than ten (10) cents is to be carried
forward and given effect in making future  adjustments;  provided that in making
future  adjustments under clause (4) of this paragraph (e) adjustments which are
already  given effect in  subparagraph  (i) of clause (4) shall not otherwise be
carried forward.  All calculations under this paragraph (e) shall be made to the
nearest  one-thousandth  (1/1,000th)  of one cent or to the nearest  one-hundred
thousandth (1/100,000th) of a share, as the case may be.

                  (f) Whenever the number of shares of Common Stock  deliverable
upon the  conversion of the shares of 8%  Convertible  Preferred  Stock shall be
adjusted pursuant to the provisions hereof, the Corporation shall forthwith file
at its  principal  office  and with the  transfer  agent  or  agents  for the 8%
Convertible Preferred Stock and for such Common Stock a statement, signed by the
President or one of the  Vice-Presidents of the Corporation and by its Treasurer
or one of its  Assistant  Treasurers  stating the  adjusted  number of shares of
Common Stock deliverable per share of 8% Convertible Preferred Stock and setting
forth in reasonable  detail the method of  calculation  and the facts  requiring
such adjustment and upon which such calculation is based.  Each adjustment shall
remain in effect until a subsequent adjustment hereunder is required.

                  The Corporation  shall at all times reserve and keep available
out of its  authorized but unissued  Common Stock,  the full number of shares of
Common Stock  deliverable  upon the conversion of all  outstanding  shares of 8%
Convertible   Preferred  Stock  and  all  other  outstanding  shares  and  other
securities  which are  convertible  into Common Stock,  and upon exercise of any
outstanding rights or options to purchase Common Stock.

                  (g)  In  connection  with  the  conversion  of  shares  of  8%
Convertible  Preferred  Stock into Common  Stock,  no  fractions of shares of 8%
Convertible  Preferred  Stock or of Common  Stock shall be issued;  and, in lieu
thereof,  non-dividend  bearing non-voting scrip (exchangeable when combined for
full shares) may be issued,  or the Board of Directors may make such  provisions
for  the  stockholders  in lieu  of the  issue  of  scrip  as it may  determine,
including  payment  in cash or sale of stock to the extent of any  fractions  of
shares and distribution of the net proceeds or otherwise. The Board of Directors
may determine and fix the form of such scrip,  whether bearer or otherwise,  the
denomination  thereof, the expiration dates thereof,  any provisions  permitting
sale of the full shares for which such scrip is exchangeable  for the account of
the holder of such scrip (or in lieu of sale of such full shares, provisions for
the  determination  of the  value  thereof  and  for  payment  of the  value  so
determined  to the holders of such scrip),  and any other terms or provisions of
such scrip as it may deem advisable.

                  (h)      Shares  of  8% Convertible Preferred Stock that have 
been converted shall not be reissued.

                  (i)  While  any of  the  8%  Convertible  Preferred  Stock  is
outstanding the Corporation  shall not alter or change the preferences,  special
rights or powers of the 8% Convertible Preferred Stock so as to adversely affect
the 8% Convertible  Preferred  Stock without the  affirmative  consent (given in
writing or at a meeting duly called for that purpose) of the holders of at least
two-thirds  (2/3rds)  of  the  aggregate  number  of  shares  of 8%  Convertible
Preferred Stock then outstanding.

                  (j)(i)  The  Corporation,  at  the  option  of  its  Board  of
Directors and in a manner set forth in this paragraph (j), may at any time after
July 1, 1996, redeem the Preferred Stock at a price of $4.50 per share (plus all
accrued  and  unpaid  dividends),  in whole or in part from any  source of funds
legally available therefor.

                  (ii) In the  event of a  redemption  of only  part of the then
outstanding  Preferred Stock,  the Corporation  shall effect such redemption pro
rata according to the number of shares held by each holder of such shares.

                 (iii)  At least 30 days and not more than 60 days prior to the 
date fixed for any redemption of the Preferred Stock (the "Redemption  Date"),  
written notice (the "Redemption  Notice"; the Preferred Stock referenced in such
Redemption  Notice shall be referred to herein as the "Redeemed  Stock")  shall 
be mailed,  postage prepaid,  to each  holder  of record  of the  Redeemed Stock
at his or her post office address last shown on the records of the Corporation.

     The Redemption Notice shall state:

     (1)  Whether  all or less than all the  outstanding  Preferred  Stock being
redeemed are to be redeemed and the total number of shares being redeemed;

     (2) The number of shares of  Redeemed  Stock  held by the holder  which the
Corporation intends to Redeem;

     (3) The Redemption Date, and

     (4) That the holder is to surrender to the Corporation,  in a manner and at
a place  designated,  the certificate or certificates  representing the Redeemed
Stock to be redeemed.

     (iv) On or before the Redemption  Date, each holder of Redeemed Stock shall
surrender  the  certificate  or  certificates  representing  such  shares to the
Corporation,  in the manner and at the place designated in the Redemption Notice
and  thereupon  the sum of $4.50 per share of Redeemed  Stock (plus  accrued but
unpaid dividends) shall be payable to the order of the person whose name appears
on such  certificate or certificates as the owner thereof,  and each surrendered
certificate  shall be cancelled  and retired.  In the event less than all of the
shares represented by any such certificate are redeemed, a new certificate shall
be issued representing the unredeemed shares.

     (k) While any of the 8% Convertible  Preferred  Stock is  outstanding,  the
Corporation will not, without the affirmative  consent (given in writing or at a
meeting  duly called for that  purpose)  of the  holders of at least  two-thirds
(2/3rds) of the aggregate  number of shares of 8%  Convertible  Preferred  Stock
then outstanding, consolidate or merge with or into another corporation (whether
or  not  the  Corporation  is  the  surviving  corporation),   or  sell  all  or
substantially  all of its assets to another  corporation,  unless in  connection
therewith  lawful and  adequate  provision  is made  whereby  the  holders of 8%
Convertible  Preferred  Stock  shall  receive  the right to  convert  during the
Conversion  Period  into  the kind and  amount  of  shares  of stock  and  other
securities  to be received by holders of the number of shares of Common Stock of
the  Corporation  into which the 8% Convertible  Preferred Stock might have been
converted  immediately prior to such consolidation,  merger or sale, which right
shall be subject to  adjustment,  as nearly  equivalent as may be practicable to
the adjustments provided for in paragraphs (a)-(k).

     IN  WITNESS   WHEREOF,   Celcor  Inc.  has  caused  this   Certificate   of
Designations, Preferences and Rights of Series C 8% convertible Preferred Stock,
to be duly executed by an officer thereunto  authorized,  and its corporate seal
to be affixed hereto and attested, this _____th day of ___________, 199__:

                                              CELCOR INC.



                                               By_______________________________
                                                 Dr. Nanshan Wu, President

(Corporate Seal)

Attest:


By _________________________
   Michael, Hsu, Secretary






                                   CELCOR INC.

              NOTICE OF ELECTION TO CONVERT SERIES C 8% CONVERTIBLE

                                 PREFERRED STOCK

             (To be signed only upon exercise of conversion rights)

TO CELCOR INC.

         The undersigned,  the holder of ________________ shares of Celcor Inc.,
Series C 8%  Convertible  Preferred  Stock  ("Preferred C Stock")  (certificates
enclosed  herewith),  hereby irrevocably elects to exercise the right to convert
such  Preferred  C Stock  at the  current  conversion  price in  effect  for the
Preferred C Stock into shares of Common Stock of Celcor Inc.,  and requests that
the  certificates for such shares be issued in the name(s) of, and delivered to,
____________________, whose address(es) is (are)


                                                      __________________________
                                                      Print name(s) to appear on
                                                      Common Stock Certificates

Date:

Check here if shares are to be issued
otherwise than to the registered holder: ______
                                                
                                                ________________________________
                                                (Signature  must  conform in all
                                                 respects to  the  name  of the 
                                                 Holders as  specified in every 
Fill in for registration of shares of            particular without  alteration 
Common Stock if to be issued otherwise           or enlargement on the face of 
than to the registered holder:                   this Certificate 

______________________________________           _______________________________
(Name)                                                        (Name)


______________________________________           _______________________________
(Address)                                                     (Address)


______________________________________           _______________________________


______________________________________           _______________________________
(Social Security or other Taxpayer               (Social  Security  or  other 
 ID Number)                                       Taxpayer ID Number)