... . The products made by Guan Yan Hua Yuan salt manufacture Co.,Ltd, one subsidiaries of Cheng Du ... The annual output of the industrial salt is up to 800,000tons,and all the products made in ISO ... certified plant.2. Packaging Specification: 25Kg, 50Kg, 750Kg and 1Mt. Knitted bags lined polyethylene plastic bags double . 3 ... in a cool, ventilated, dry place. industrial salt,high purity and quality,99%