COSL Chemicals (Tianjin).,Ltd | Address: Bohai Oil Base, Junliangcheng, Yangbei Rd,Tanggu Area, Tianjin, Tanggu 300301, China 
www.coslchemicals.com | Send Inquiry | Phone: +86-(022)-66906647
COSL Chemical (Tianjin)., Ltd. is involved in the research, development, production and sale of chemical products. Our chemical products include mud chemicals, cementing chemicals, stimulating chemica more...