... Yan Hua Yuan salt manufacture Co.,Ltd, one subsidiaries of Cheng Du Shindoo Chemi-Industry Co.,Ltd.our firm owns 6. ... the industrial salt is up to 800,000tons,and all the products made in ISO 9001-2008 ... certified plant.2. Packaging Specification: 25Kg, 50Kg, 750Kg and 1Mt. Knitted bags lined polyethylene plastic bags double . 3 ... ventilated, dry place. industrial salt,high purity and quality,99%