Profile: Hebei Hua AO Chemical Co., Ltd. produces cyanuric acid. We also offer ammonium sulphate. Our ammonium sulphate is mainly used in fertilizers. It is also used in pharmaceutical and textile industries. Our cyanuric acid is used in manufacturing chlorinated isocyanates, and also in synthesizing new type of bleaching agent, resin, anti-oxidant, paint, coating, selective weedkiller and metal cyaniding slow corrodent. It can be directly used as swimming pool chlorine stabilizer, nylon, plastic, polyester, fire-retardant agent, and cosmetics additive. We are an ISO 9001 certified company.