Huaian Wellcome Trading Co., Ltd. Is an international trading company that has his own export rights. Our company is located in Huaian city, Jiangsu province which the world's largest production base for Anhydrous Sodium Sulphate and Industrial Salt. Our anhydrous sodium sulphate products are in accordance with the standard of GB/T6009-2003, mainly offer I type First grade, 99% neutrality and II type First grade of anhydrous sodium sulphate products; we now mainly produce two types of industrial salt products (top-grade refined salt and first grade refined salt), which can meet the standard of GB/T5462-2003.