NANCHUNG Alums Co., Ltd. is established for foreign company which is interested in our products.NANCHUNG Alums Co., Ltd. is a subsidiary company of TAI WEI INDUSTRIAL CO., LTD. Our industryexperiences over 37 years because we insist in high quality products and improve productsmanufacture process. We have many kind of Alum products for example: Ammonium alum , Potassium alum , Potassium aluminum sulfate , Aluminum Ammonium Sulphate, BurntPotassium alum , and Aluminum Sulphate. The products may be lump , Blocky , granular , crystals , or powder, and the products separate for several levels to use in different ways ( food ad