We are specializing in the manufacture and export of Optical Brighteners Series Intermediates. Our product include OB(OBA184), )B-1(OBA303),KCB(OBA367),FP127,KSB,VBL,BA,BBU,DMS,CBS-X so on.If anything need us to help, pls feel free contact with me by ...

Qingdao Tianshi Import & Export Co., Ltd. Is a new comprehensive trade company. Rely mainly on exporting chemical product, household articles, food and so on. The main products we export are: Fluorescent whitening agent series, liquid powder, plastic agents ...