Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Nash Liquid 32/40%/42%, Sodium Hydrosulphide , Sodium Sulphide Chemical Formula , Sodium Hydrosulfide For Dye Auxiliary ,Polyacrylamide Liquid . We have professional products knowledge and rich experience on manufacturing. We always believe your success is our business! The product will supply to all over the world, such as Europe, America, Australia,Hamburg , Bhutan ,Egypt , Qatar .Our items are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!