As a general chemistry manufacture operating in a variety of business fields, Cowin Industry Limited endeavors to reinforce and expand its operating base through a unique approach of chemicals on oil fields and water treatment, especially leading on the manufacture of calcium chloride .Please send us email at info@icowin.com for detailed information or offer, or you can call our Award-Winning 24/7 sales and suport at 0086 188 986 57 988, we are always here to help.