Profile: Gaoyou Auxiliary Factory specializes in fluorescent brightener series product, organic pigment, dyestuff intermediate, and organic amine catalyst. We are an ISO 9002 accredited company. We provide P-methphenol, P-ethyl-phenol, o-nitro-p-methphenol, o-nitro-p-tert, butyl phenol, o-amino phenol,o-amino-p-methphenol, o-amino p-tert.butyl phenol, JSPC-1 catalyst, fluorescent brightener-PF, fluorescent brightener-DT, brightener 127 brightener PFK, OKK and organic pigment series.