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China's high-purity, high white, high brightness, ultra-fine calcium sulfate (gypsum) production base! The leader in the Chinese food additive calcium sulfate (gypsum) industry! The formulation and revision of industry standards for calcium sulfate, In GUINAMA we have been dedicated for more than 30 years to the repackaging and distribution of raw materials and packaging , as well as the commercialization of all kinds of laboratory material. From its beginnings, GUINAMA has turned to the pharmac