Specializing in the production: β-carotene, canthaxanthin, lutein, monomethylamine hydrochloride, dimethylamine hydrochloride, hydroxylamine sulfate, ammonium sulfate, rose pure dew, rose oil, chitosan series (such as shell Glycans, sulfates, glutamates, citrates, succinates, salicylates, tartrates, high density chitosan, chitooligosaccharides, carboxymethyl chitosan, chitosan Quaternary ammonium salt, and other products) poly aluminum epichlorohydrin - dimethylamine and so on.Our company has been rated as "Good-Credit" company. and "quality first, customer first, honest and trustworthy" is our principle. we product high quality but low price products.