Tianjin YR Chemspec Technology Co.,Ltd.
Contact:Heming Han
Phone: 13821082726
Tel: 86-138-21082726
Fax: 86-138-21082726
Mail: yrchemspec@sina.cn
Main product: "Gamma Poly-Glutamic Acid";PVM/MA Copolymers,Beta-Sitosterol,Collagen,N-Octyl-Pyrrolidone,N-Methyl-Pyrrolidone,N-Ethyl-Pyrrolidone
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