CHANG FA OPTICS (HONG KONG) LTD.
　 CHANG FA PROVINCIAL MODEL (HONG KONG) LTD.
    Chang Fa Mould Co., Ltd. Dongguan (Mainland) is a research and development, design, production, processing, sales of optical and optical lens mold as one of the company.In 1995, incorporated in Hong Kong chang fa  professional provincial model company, then re-register Changfa optical Hong Kong Limited, registered in mainland China Mould Co., Ltd. Dongguan Chang fa.一．Specializes in mold surface polishing；二．Mold design and　manufacture of optical lenses and optical polishing．三．Optical injection molding．Through ten years of efforts to reform and innovation, the company operates worldwide and has made  Chang Fa model province　Optical two brands trademarks issued.

一.Mold polishing
       Chang Fa province mold in the mold surface finish in a decade, to the unique experience to lead the province of mold polishing technology, after years of study with a sound-treated steel materials and sand-hole technology, a variety of cavity, surface, deep tank, deep, blind holes, inside and outside the spherical grinding and polishing. "Including maintaining a good cavity geometry and reasonable tolerance, integrity, and sharp of the parting line, R-bit and straight body clip mouth without distortion," products of international standards. Thanks to our customers long-term support rapid business development, has a plant area of ​​more than five thousand square feet, plant in Dongguan Fenggang and Song Gang Town, Shenzhen, Longhua Town, Shenzhen, Dongguan Changan Town, Dongguan Zhangmutou Town, Zhongshan township, Jiangsu Kunshan has a branch, full-time technicians, more than 300 provincial mold cleaners, mold polishing with advanced equipment, the province, to a high standard, high-precision, high efficiency, high-service targets, and early in 2004, has passed ISO9001: 2000 quality system certification, the company has a fleet (eight) responsible for the site and offer to send and receive modules, 24-hour service, as far as possible after receiving a call within an hour to reach the customer factory, to ensure customer satisfaction assured.

二.Mold design and manufacture of optical
       Chang Fa is the Pearl River Delta Development Corporation optical molds, optical lens processing, production of the major manufacturers, customers all over Southeast Asia, Europe and America. We have a team of professional optical design engineer, and with the Hong Kong Productivity Council, Hong Kong Polytechnic University has established good cooperative relations, to die in seven days to complete the design and production, we have a center of Japan's optical lens grinding, Germany single point diamond CNC machining center, the British Special Branch secret plane grinding machine, non-spherical interferometer testing equipment and other precision machining, die on the production of several sets of optics, optical inserts of hundreds of pieces, more than a decade, the production and processing of optical tens of thousands of pieces of lens inserts, optical inserts, the Pearl River Delta manufacturing one of the largest manufacturers. With ten years of grinding experience innovation and absorb new technology, a variety of optical lens processing and production of unique experience, the use of military-grade optics software design and development of the following products: LED lens, mouse lens, goggles, goggles, glasses, camera lenses, monitor hood, light guide plate, infrared alarm system and other optical lenses.
 
三.Optical injection molding
       In order to better meet our customers needs tryout and production, our company has increased investment in injection molding equipment, and equipped with a 10,000 clean workshop, Frank introduced the Japanese injection molding machine 50T-100T 7 units, sea and sky, LK more than 160-200T, specifically the production of optical lenses, camera lens, mouse lens, goggles, goggles, glasses, monitor hood, light guide plate, infrared alarm, LED lens and other optical lens