Ancient gold production base of sodium hydrosulfite, sodium hydrosulfite annual output of 150,000 tons of ancient gold, the company has passed ISO9001 quality management system \ ISO14001 environmental management system and OHSAS18001 Occupational Health and Safety Management System Certification. Food grade sodium hydrosulfite the only patented product. No dust Insurance powder (environmental protection) by the China Science and Technology Progress Award, the 'best products, best management, best image "for the purpose,' a full range of markets, international quality, the pursuit of world-class, create a world brand '