Tianjin Greatest Chemical Co., Ltd., situated in Bin hai New Area of Tianjin, China, Since its established, Greatest Chemical gradually developed into a large-scale of calcium carbide,Phthalocyanine blue.plant with area of 80, 000 ㎡, more than 200 employees and annual output of 9 million tons. The mainly business is focused on long-term development, we has acquired the ISO9001:2008 quality system authentication, which contributes to the supplies of super quality and competitive price goods for our customers. Tianjin Greatest Chemical Co., Ltd., all staffs here, warmly welcome you.