ShiJiaZhuang Bestdone Chemicals Co., Ltd is one of the professional manufacturers and exporters chemical raw material in ***** company was founded 1990 located Hebei province. The largest manufacturer diversified varieties North China. Our products are widely used chemical, medicine, ...

we are Xuzhou Donglong IMP & EXP Co., LTD , mainly manufacture in chemical products rigging hardware inorganic salts organic acids pigment food addititives rubber and plastic painting coating printing dyeing water treatment, chains eye bolts turnbuckles wire rope clips nuts sodium carbonate ...