Hebei Zhaojun New Material Technology Co., LTD is a high-tech biomedical and chemical enterprise integrating research,development, production and sales. It is also a professional biotechnology service company dedicated to the country\'s major biomedical units, enterprises, ...
chitosan quaternary ammonium salt Product name:chitosan quaternary ammonium salt Product synopsis: Chitosan quaternary ammonium salt is the senior made by chemical modification of chitosan derivatives, called the hydroxypropyl trimethyl ammonium chloride, chitosan, hereinafter ...