Poly aluminium chloride Manufacturers & Suppliers,
Zhengzhou Welcom Tech Co., Ltd.Favorites. Business Type: Manufacturer/Factory. Main Products: Food Additives , Sodium Bicarbonate , Zinc Gluconate , Lactic Acid , Xylitol. Mgmt. Certification: ISO 9001, ISO 20000, GMP, HACCP, ISO 22000.
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