Changchun Hengyi Optics Co., Ltd established in 1996, is a leading photonics designer and integrated manufacturing company on various fine-finished and high precision optical elements. Hengyi has....

Jollystar photoelectric science & technology Co., Ltd., established in 2004, is seated in Changchun which is a traditional optical base. It is an innovative, international technology company....

DeLn Optics Co., Ltd.(China) is a leading company in manufacture and supplies the highest quality crystals and optics. We specialize in the manufacture of precision optical components. including....

our company has exported conversion lens for several years, we can supply all specifications of conversion lens, it is the best quality and lowest price product .our products is adopted Japanese....

Changchun Ji Xiang Optoelectronic Co., Ltd (CJX) located in Changchun High-new Technology Development Zone, over 3000 square meters factory building, is dedicated to themanufacturing , designing....

Forerun Electro- Optics Co., Ltd. that was found in 1995. Our company was separated from a big optical enterprise that controlled by the government. There are 5 workshops in our company. We can....