Gem Bids For 3000 Tartaric Acid Industrial Grade In White Crystaline Powder Form 94151077390 1 1000070607 Zinc Sulphateznso4 Heptahydrate As Per Is 18801977 94150298590 2 1000070607 Sodium Hexa Meta Phosphateshmp As Per Is-5741989 94128003180 3 1000070607