With annual production capacity of 8,000 Mt antimony products the machining factory of changsha zishi Chemical Co., Ltd mainly provide #0 Antimony Trioxide, Environmental Protection Antimony Trioxide, Catalytic Antimony Trioxide, Antimony Trioxide Masterbatch, Antimony Triacetate, Antimony Glycolate, Cobalt Acetate and more than 14 kinds of antimony series products which are all conformity with ISO 9002 International Quality System.Recent years ,our company have been putting large efforts to develop other antimony deep-processing products,such as Sb2O5 water colloid,Sb2O5 organic colloid and fine antimonate sodium to meet enlarging flame retardant market. if you have interest ,please contact us for more communications,we are hoping that we could do business together.EC21 messenger:huangzishi phone number:+86013874845374