Chongqing Yulintao Technology Co., Ltd. is a professional manufacturer and trading company based in Chongqing, China, specializing in high-precision optical glass and components. While the current corporate entity was established in 2015, the company draws on a legacy of expertise dating back to the early 1980s, representing over 30 years of experience in the optical industry. The company operates a modern factory focused on optical design and advanced coating technologies, maintaining a workforce of 11 to 50 employees and achieving an annual revenue between US$1 million and US$2.5 million.
Chongqing Champaign Hightech Photo-Electronic Co., Ltd. is a manufacturer and contract manufacturer based in Chongqing, China, specializing in synthetic sapphire products and optical glass & lenses. Established in 2006, the company employs 11 to 50 people and operates its own factory. Their product range includes various synthetic sapphire items such as jewels bearing, ruby bearing, hole-jewels, end stones, balls, and jewel/ruby cylinders, with capabilities for customization. They also produce machinery and optical glass & lenses. Chongqing Champaign Hightech Photo-Electronic Co., Ltd. exports its products to numerous international markets, including Japan, Korea, Thailand, Germany, Switzerland, and America.