一级a特黄毛片高清免费,久久精品无码日韩,亚洲情a成黄在线观看,精品国产91久久久久久黄无码、

Weihai Jinwei ChemIndustry Co.,Ltd was established in May 1994, specializes in producing UV Absorbers and Phosphazene Flame Retardant, total capacity is 11700MT per year.

Main products: UV-326, UV-327, UV-328, UV-329, UV-360, UV-234, UV-3030, UV-1600 and HPCTP ( PPZ flame retardant).  The most advantaged and competitive products are UV-329,UV-234，UV-3030，UV-1600 and HPCTP.

The company covers an area of 188000 m², has 500 staffs. The standard workshops and R&D center，advanced R&D equipment, strong R&D team and high level management team guarantee the innovation-driven development and high-quality products. Jinwei is promoting the development of application enterprise with its intelligence, advanced ideas, owned culture and confidence.