... Grade 98.5% PDV Salt. Annual output of 800,000tons PDV salt We have high quality ISO9001 2008 1. Industrial salt: Produced by ... Guang Yan Hua Yuan Co. Annual output of 800,000tons refined ... .2. Packaging Specification: 25Kg, 50Kg, 750Kg and 1Mt.3. Index of industrial production, Purified Industrial (usage) Salt Index Super Grade A ...