– 1 –
COMMUNICATION TECHNOLOGY
SINO TECHNOLOGY QUASAR COMMUNICATION
INVESTMENTS COMPANY LIMITED TECHNOLOGY HOLDINGS LIMITED

中國創新投資有限公司思拓通訊科技控股有限公司

(incorporated in the Cayman Islands (incorporated in the Cayman Islands
with limited liability) with limited liability)
(Stock Code: 1217) (Stock Code: 8171)
POSSIBLE ASSETS INJECTION AND NOMINATION OF QUASAR DIRECTORS-
STRATEGIC CO-OPERATION IN THE CIVIL AND MILITARY DUAL-USE
OPTOELECTRONIC INDUSTRY

This joint announcement is made pursuant to Rule 13.09 (1) of the Listing Rules or Rule 17.10 of the
GEM Listing Rules, as the case may be.
Reference is made to the announcement of Sino Technology dated 7 January 2008 (the “Announcement”)
in respect of the memorandum of understanding with the Optoelectronic Bureau of 中國兵器工業
集團公司 (China North Industries Group Corporation) (“CNGC”), pursuant to which Sino
Technology has been granted the first right of refusal to invest in two optoelectronic projects under
CNGC in the PRC. Accordingly, Sino Technology has developed a close relationship with the
Optoelectronic Bureau of CNGC in respect of the LED Optoelectronic Project. QUASAR is considering
to develop into the optoelectronic business, in particular the LED optoelectronic products for the PRC
consumer electronic product markets. Having noted the close relationship between Sino Technology
and the Optoelectronic Bureau of CNGC and the corresponding memorandum of understanding in
respect of the LED Optoelectronic Project, QUASAR intends to establish a close strategic co-operation
relationship with Sino Technology. As such, on 28 January 2008, Sino Technology and QUASAR
have entered into the non-legally binding MOU in respect of the strategic co-operation in the civil and
military dual-use optoelectronic industry. Pursuant to the MOU, Sino Technology will base on its
first-right of refusal to invest in the LED Optoelectronic Project of CNGC to provide support to
QUASAR on the manufacturing, assembling and development of LED optoelectronic products and
related civil and military dual-use products. QUASAR will provide strategic solutions and overseas
distribution channels to the CNGC’s optoelectronic enterprises, which are principally engaged in
manufacturing of LED optoelectronic products and are also subject to potential investment by Sino
Technology.
As the subject transactions may or may not proceed, Sino Technology Shareholders and QUASAR
Shareholders and investors of Sino Technology and QUASAR should exercise with cautions when
dealings in the securities of Sino Technology and QUASAR.


– 2 –
Background and intention of the parties
Reference is made to the announcement of Sino Technology dated 7 January 2008 (the “Announcement”)
in respect of the memorandum of understanding with the Optoelectronic Bureau of 中國兵器工業集
團公司 (China North Industries Group Corporation) (“CNGC”), pursuant to which Sino Technology
has been granted the first right of refusal to invest in two optoelectronic projects under CNGC in the
PRC. Accordingly, Sino Technology has developed a close relationship with the Optoelectronic Bureau
of CNGC in respect of the LED Optoelectronic Project. QUASAR is considering to develop into the
optoelectronic business, in particular the LED optoelectronic products for the PRC consumer electronic
product markets. Having noted the close relationship between Sino Technology and the Optoelectronic
Bureau of CNGC and the corresponding memorandum of understanding in respect of the LED
Optoelectronic Project, QUASAR intends to establish a close strategic co-operation relationship with
Sino Technology. As such, Sino Technology and QUASAR entered into the MOU for strategic co-
operation in the civil and military dual-use optoelectronic industry.
THE MOU

Date : 28 January 2008
Parties : Sino Technology
QUASAR

To the best of the Sino Technology Directors’ and QUASAR Directors’ knowledge, information and
belief, and having made all reasonable enquiries, each of Sino Technology and QUASAR is independent
of and not connected with each other.
Major Terms
1) Sino Technology will base on its first right of refusal to invest in the LED Optoelectronic Project of
CNGC to provide support to QUASAR on the manufacturing, assembling and development of LED
optoelectronic products and related civil and military dual-use products;
2) QUASAR will provide strategic solutions and overseas distribution channels to the CNGC’s
optoelectronic enterprises, which are principally engaged in manufacturing of LED optoelectronic
products and are subject to potential investment by Sino Technology;
3) The principal products for the strategic co-operation between Sino Technology and QUASAR are
LED chips, LED packaging and application products, which include LED lighting and LED display
products series for the consumer electronic products market;
4) QUASAR is considering to develop its business in the optoelectronic industry and agreed to develop
close strategic relationship with Sino Technology in such area. Accordingly, Sino Technology will
consider to inject its then existing or future LED projects into QUASAR (the respective formal
agreement will be negotiated individually later). In addition, in view of its future business development
in the optoelectronic industry, QUASAR will consider to change its company name and it is further
considered that Sino Technology shall have the right to appoint and nominate two QUASAR Directors
into the QUASAR Board to help the development in the civil and military dual-use optoelectronic
industry.

– 3 –
Reasons for entering into the MOU
Sino Technology is an investment company pursuant to Chapter 21 of the Listing Rules. Its principal
investment objective is to achieve medium-term capital appreciation by investing in listed and unlisted
companies mainly in Hong Kong and the PRC. Having considered that QUASAR will develop into the
business of the optoelectronic industry and QUASAR has expertise in sales and marketing of electronic
products in the PRC, Sino Technology Directors are of view that the MOU provides a good opportunity
to further enhance the potential returns for the investment of Sino Technology Group’s investment in the
civil and military dual-use optoelectronic projects.
QUASAR Group is principally engaged in sale and marketing of mobile appliances and relevant parts
solutions in the PRC. In view of the intense competition of the PRC mobile phone industry, the QUASAR
Board is actively seeking opportunities to broaden the revenue base of QUASAR Group. Having considered
that opotoelectronic industry is one of the key commercial applications of national defense technology,
the QUASAR Directors therefore consider that the civil and military dual-use optoelectronic industry, in
particular the LED product markets may provide great potential to generate significant returns for the
QUASAR Group. Accordingly, the QUASAR Directors intends to seek for reputable business partner
which has such specialized technology and manufacturing capability in the PRC and CNGC is considered
to have such expertise. Given that Sino Technology has been granted the first right of refusal to invest in
the CNGC’s optoelectronic projects as announced in the Announcement, QUASAR entered into the MOU
with Sino Technology so as to capitalize on the close relationship between Sino Technology and CNGC.
The QUASAR Directors are of the view that the potential business development in the civil and military
dual-use optoelectronic industry will strengthen the income stream of QUASAR Group and consider the
terms of the MOU are fair and reasonable and on normal commercial terms and in the best interests of
QUASAR and QUASAR Shareholders as a whole.
General
This joint announcement is intended to set out the salient features of the MOU. Further announcement(s)
will be made by Sino Technology and QUASAR, respectively in respect of any material development on
the possible transaction and actions which will be taken to comply with the disclosure and/or approval
requirements under the Listing Rules and GEM Listing Rules, respectively.
If the consummation of the transactions contemplated under the MOU are materialized, the subject
transactions may constitute notifiable transactions for Sino Technology and QUASAR under Rule 14.06
of the Listing Rules and Rule 19.06 of the GEM Listing Rules, respectively. As the subject transactions
may or may not proceed, Sino Technology Shareholders and QUASAR Shareholders and investors of
Sino Technology and QUASAR should exercise with cautions when dealings in the securities of Sino
Technology and QUASAR.
Definitions
In this announcement, the following expressions have the meanings set out below unless the context
requires otherwise:
“GEM” The Growth Enterprise Market of the Stock Exchange
“GEM Listing Rules” the Rules Governing the Listing of Securities on GEM

– 4 –
“Hong Kong” the Hong Kong Special Administrative Region of the PRC
“LED” light emitting diodes, a semiconductor diode that emits light when
connected with an electric circuit
“LED Optoelectronic Project” the CNGC’s optoelectronic project to which Sino Technology has
been granted the first right of refusal to invest in such project
“Listing Rules” the Rules Governing the Listing of Securities on the Stock Exchange
“MOU” the non-legally binding memorandum of understanding dated 28
January 2008 entered into between Sino Technology and QUASAR
on the strategic co-operation in the civil and military dual-use
optoelectronic industry
“PRC” the People’s Republic of China
“QUASAR” QUASAR Communication Technology Holdings Limited, a
company incorporated in the Cayman Islands with limited liability,
the shares of which are listed on GEM
“QUASAR Board” the board of QUASAR Directors
“QUASAR Director(s)” the director(s) of QUASAR, including the independent non-
executive director(s) of QUASAR
“QUASAR Group” QUASAR and its subsidiaries from time to time
“QUASAR Share(s)” the ordinary share(s) with par value of HK$0.01 each in the capital
of QUASAR
“QUASAR Shareholder(s)” holder(s) of the QUASAR Share(s)
“Sino Technology” Sino Technology Investments Company Limited 中國創新投資
有限公司, a company incorporated in the Cayman Islands with
limited liability, the shares of which are listed on the Main Board
of the Stock Exchange
“Sino Technology Board” the board of Sino Technology Directors
“Sino Technology Director(s)” the director(s) of Sino Technology, including the independent non-
executive director(s) of Sino Technology
“Sino Technology Group” Sino Technology and its subsidiaries, if any, from time to time
“Sino Technology Share(s)” the ordinary shares with par value of HK$0.01 each in the capital
of Sino Technology

– 5 –
“Sino Technology Shareholder(s)” holder(s) of the Sino Technology Share(s)
“Stock Exchange” Xiang Xin (Chief
Executive Officer), Mr. Chan Cheong Yee and Mr. Wong Chak Keung; the non-executive Directors are
Mr. Wang Qing Yu (Chairman) and Mr. Ng Kwong Chue Paul; the independent non-executive Directors
are Mr. David Wang Xin, Mr. Zang Hong Liang and Mr. Lee Wing Hang.
As at the date of this announcement, the executive Directors of QUASAR are Mr. Chan Ka Wo, Ms. Yu
Xiao Min, Mr. Cho Hui Jae and Mr. Li Tan Yeung Richard and the independent non-executive Directors
are Mr. Sze Lin Tang, Mr. Leung Wing Kin and Mr. Zhang Zhan Liang.
This announcement, for which the QUASAR Directors collectively and individually accept full
responsibilities, includes particulars given in compliance with the GEM Listing Rules for the purpose of
giving information with regard to QUASAR. The QUASAR Directors, having made all reasonable enquiries,
confirm that, to the best of their knowledge and belief: (i) the information contained in this announcement
is accurate and complete in all material aspects and not misleading; (ii) there are no other matters the
omission of which would make any statement in this announcement misleading; and (iii) all opinions
expressed in this announcement have been arrived at after due and careful consideration and are founded
on bases and assumption that are fair and reasonable.
This announcement will remain on GEM website on the “Latest Company announcements” page for at
least 7 days from the date of its posting.