KAIYUE CHEMICALS was establishes in 2002. Our company is located in Baoding City,Hebei Province,close to Tianjin port.The annual output of chelating agents is about 20000 ton.To improve the producing ability and increase the kinds of products,we build a new plant in Hengshui City, the annual output will reach 5000 ton in next year. We focus on the R&D of organic chelating agents.In China, our company was famous of great scientific research strength.24senior engineers and ICP MAX ensure the quality of our products.Our scientists are studying the chelating chemical's effecton the environment.Over the years,we always adhere to the concept of sustainable development. Our featured products: 1: EDTA Series --- EDTA Acid/ EDTA 2Na/ EDTA 4Na 2: Chelated EDTA --- EDTA Fe/ EDTA Cu/ EDTA Mn                    EDTA Ca/ EDTA Mg/ EDTA Zn                    Mix chelated EDTA salts as your formular                    EDDHA Fe6 and NTA/NTA 3NA series products 3: DTPA Series --- DTPA Acid/ DTPA 5Na