Room 401,20#, Zhonghe Street, Beijing Economical Development Zone, Beijing, China Beijing, Beijing
Beijing Yangcun Chemical Co., Ltd. is a private enterprise specialized in production of optical brighteners and other fine chemical products for nearly ten years.The company also has the strong ability developing new with technical instruction its two ...
Optical Brightener, Fluorescent Whitening Agent, Fluorescent Brightener, Tinopal, Optical Brighteni
