ZANCHENG is a leading and professional producer of EDTA/EDDHA/DTPA/NTA products in China. We offer a broad variety of chelates to the market, delivering tailor-made performance in different market niches. Chelates are used in agriculture, building & construction, cleaners & detergents, industrial cleaning, food fortification, food preservation, the oil industry, personal care products, pulp bleaching and in many other applications.