... Co.,Ltd, one subsidiaries of Cheng Du Shindoo Chemi-Industry Co.,Ltd.our firm owns 6.2 sq ... 200,000,000 tons.The annual output of the industrial salt is up to 800,000tons,and all ... lined polyethylene plastic bags double . 3. Index of industrial production Index ItemSuper GradeA GradeNaCl(%)99.1%min98.5%minMoisture ... :Stored in a cool, ventilated, dry place. industrial salt,high purity and quality,99%