Optical brightener, or fluorescent whitening agent (OBA), is used to make plastics, fiber, coating, ink and detergent. Our products are also in pigment dye colors become more brilliant. We offer optical intermediates. strictly control the product quality supply channels, all of our comply ...
Telephone:86-0571-85970829
Address:No. 908, Xixi Road, Liuxia St, Hangzhou, Zhejiang, China