Sodium Hexametaphosphate, Sodium Tripolyphosphate, Sodium Pyrophosphate manufacturer / supplier in China, offering Daily Chemical Washing EDTA-2na Cosmetic/Detergent Chelating Agent Stable Formula Industrial Grade, EDTA 2na 99% Purity Disodium Salt for Industrial Metal Chelators, EDTA 2na Tech Grade for Water Treatment, Electroplating Industry and pH Adjustment Applications and so on.