China opticalwhitener(taojiayue chemical) is expertise in optical brightener for over a decade. Our optical brighteners are equivalents to BASF, Clariant, same purity, and same cas number, but more economic. We ONLY do pure powder, no reduction, no filler inside.
- We offer national test standard and method(GB) for our products.
- We provide detailed company check report(in which you will learn how to check Chinese companies).
- We offer company check service for our customers.
Optical Brightener Price News
Optical brightener ob, ob-1 price just increased. update date 18th March 2022.