We are one of the top manufacturers and exporters of chemical raw materials in china. our factory can produce many kinds of chemicals: caustic soda , potassium hydroxide, paraformaldehyde . hexamine, formic acid, carboxymethyl cellulose(cmc), oxalic acid , ammonium sulphate, maleic anhydride. if you are interested in our products,please let us know your detail requirements. we sincerely hope to build up long-term friendly business relationships with your esteemed company.