Chengdu Rainbow Industrial Co., Ltd. (State-owned No. 745 factory) was founded in 1965, was set up in 1994 the Group AG, 1998 and Xiamen tungsten industry co., Ltd. asset restructuring. the company as a vacuum, light material production bases in China, have, such as tungsten, molybdenum, nickel, diamond wire drawing film production line, has the advantage of fully furnished and good product innovation, is the main supplier.

product "Rainbow" trademark, has good management and quality assurance system. in August 1998 in the domestic industry first quality ISO9002:1994 quality certification center of China ceprei certification May 2003 were ISO9001:2000 quality assurance system certification December 2005 "Rainbow vacuum electric light sources of tungsten and molybdenum material" was awarded "Sichuan province famous-brand product" award in April 2007 by the military product quality system certificate, Confidential qualification certificate for Defense weapon equipment research and production units and military electronic equipment research and production licenses.

company in talent, technology, quality, variety, aspects of the unique advantages of scale, China electronics materials industry association and the Special Branch unit, Vice President of China tungsten Association material Committee, Director of national standards of units, and industry standard drafting units.

company product quality, first-class service, reasonable prices, good reputation, products widely used in customers at home and abroad. the company dedicated to providing excellent products and service.