To focus on the manufacturing and management of ultra-pure germanium tetrachloride,a company named Wuhan Yunjingfei Optical Fiber Material Co.Ltd.,which specially manufacture ultra-pure germanium tetrachloride,were jointly set up by Yunnan Germanium(Stock Code:002428) and other investors in 2011 by relying on its development and manufacturing experience of germanium tetrachloride in the past five decades.Yunnan Germanium is the No. 1 germanium products manufacturer and supplier both in China and Asia.It has its own germanium mines.Wuhan Yunjingfei Optical Fiber Material Co.Ltd.,a subsidiary of Yunnan Germanium,commits itself to the development,manufacturing and selling of ultra-pure germanium tetrachloride by depending on the rich germanium resources that owned by its parent company Yunnan Germanium.Now its production of ultra-pure germanium tetrachloride has reached 30 tons per year.  

Yunjingfei only focuses on the manufacturing of ultra-pure germanium tetrachloride.At present,it’s the biggest and the most advanced company manufacturing ultra-pure germanium tetrachloride that used in optical fibers.

Yunjingfei,located at the beautiful lakeside of East Lake,is within the East Lake National Innovation Model Area.It owns world-class production and testing equipments.By using its unique rectification and extraction and testing technology,and its special ultra-pure product packaging process,Yunjingfei concentrates on manufacturing ultra-pure germanium tetrachloride that used in optical fibers.It had got ISO9001 Quality Management System Certification.And it conducts track management in the whole manufacturing processes according to management requirements so as to ensure the quality has reached world advanced level.