Chongqing Chitwing Silian Optoelectronics Co., Ltd was founded in 2015, which is a joint venture of Dongguan Chitwing Technology Co., Ltd. and Chongqing Silian Optoelectronics Technology Co., Ltd. It’s located in Beibei district of Chongqing, the biggest municipality in China, and about 30 minutes to Chongqing Jiangbei International Airport. Taking advantage of the acquisition of the 20 years experienced Honey Well Company USA sapphire factory in 2008 by Chongqing Silian, the company became the top one company in sapphire crystal growth by CZ and KY method,especially the high quality colored sapphire crystal is occupied the international market. Except for the sapphire crystal growth, the company has a team with 30 years of sapphire material processing experience, equipped with imported diamond wire saw machine, CNC, grinding and polishing machine, specialized in processing of sapphire watch case,sapphire watch glass,sapphire optical window，Sapphire optical components , Optical components for medical,LED substrate and jewellery. The company has always focused on research, development and innovation, and attained ISO and SGS certificates. Chongqing Chitwing Silian Optoelectronics Co., Ltd is committed to be a world-class manufacturer of colored sapphire, provide best quality products and create maximum value for our customers.