Company Profile - Xingyu Chem 别嘌醇|阿司匹林|甲氧苄啶|吡喹酮|镍铝合金粉|次磷酸 A professional manufacturer of basic dyes, optical brighteners and electronic chemicals since 1992, with four production bases and two scientific research centers. The products are sold to more than 50 countries and regions worldwide.