Chang-On International Inc. Added to InvestSource Index

HARBIN, China, July 31, 2008 (PRIME NEWSWIRE) -- Chang-On International Inc. (OTCBB:CAON), a company engaged in green architectural products made of its innovative SF brand of synthetic resin, is pleased to announce the coverage by InvestSource Inc. in its rapidly growing "InvestSource Index" of publicly traded securities.

Chang-On is the latest in a line of companies to recognize the potential benefits of placement in the InvestSource Index, a robust and feature-rich platform that incorporates the latest communications tools to create the most interactive environment for issuers and investors to interact, research, and communicate. InvestSource, Inc., a multimedia relations/investor relations firm specializing in bringing small- and micro-cap issuers to the attention of the broader public.

In an attempt to establish its U.S. credibility and develop market visibility, Chang-On has also retained InvestSource for its market-rich platform and interactive environment for investors. A full profile of Chang-On International, including expanded company description, trading charts, and market highlights is now available on the InvestSource website at: www.investsourceinc.com.

About Chang-On International, Inc.:
Chang-On International Inc (OTCBB:CAON) is a Chinese manufacturer of green architectural products made of its innovative SF brand of synthetic resin. Using patented technologies, the Company is engaged in the manufacturing and sales of green architectural products in the multi-billion dollar building materials market in the People's Republic of China. Through its sole operating subsidiary Harbin Hongbo Environment Protection Material Ltd., the Company utilizes China's abundant supply of recycled plastic and coal waste as its main raw materials. SF resin can be molded into a virtually limitless range of end-use products, including pallets, pipes, tubes and wallboard, and is a superior substitute for PVC, steel, wood and cement. The Chinese government continues to make energy efficiency and green construction top priorities, and Chang-On is well positioned to become a major player in this growing sector. For more information, please visit the company's website at: www.changon.com.

About InvestSource, Inc. (ISI):
ISI has recently unveiled its new InvestSource Index of small- and micro-cap companies, incorporating the most versatile set of communications tools available into one single comprehensive platform. The InvestSource Index collates company profiles, including expanded company descriptions, Level II charts, and market highlights, along with RSS feeds, SMS alert messaging, multimedia content, Company Q & A, and other exciting features to provide the most efficient link possible between issuer and public. InvestSource, Inc. believes that there are hosts of undervalued companies that don't get the exposure they deserve, and because of their size, have been overlooked by the larger marketing companies. Many of them have solid business plans, work in potentially highly lucrative niche markets, and have superb growth potential. It is the mission of ISI to empower these companies to reap fully all of the benefits of public exposure. For more information visit the corporate website at www.investsourceinc.com.

Safe Harbor Statement:
Except for historical information contained herein, the matters set forth above may be forward-looking statements that involve certain risks and uncertainties that could cause actual results to differ from those in the forward-looking statements. Words such as "anticipate," "believe," "estimate," "expect," "intend" and similar expressions, as they relate to the Company or its management, identify forward-looking statements. Such forward-looking statements are based on the current beliefs of management, as well as assumptions made by and information currently available to management. Actual results could differ materially from those contemplated by the forward-looking statements as a result of certain factors such as the level of business and consumer spending, the amount of sales of the Company's products, the competitive environment within the industry, the ability of the Company to continue to expand its operations, the level of costs incurred in connection with the Company's expansion efforts, economic conditions in the industry and the financial strength of the Company's customers and suppliers. The Company does not undertake any obligation to update such forward-looking statements. Investors are also directed to consider all other risks and uncertainties.