Yubei

Chongqing Yulintao Optical Co.,Ltd., founded in the early 1980, is a professional optical glass manufacturer with more than 30 years of experience, it supplies colored and colorless optical glass, fil...

Jiangbei District

Chongqing Optec Instrument Co., Ltd, is located in Tongxin Industrial Park of Beibei, Chongqing, China. It is a professional microscopes manufacturer which has powerful ability to develop and manufact...