hangzhou onicon chemical co ltd ,Founded 1992 , 350 employees(about 12 Ph.D& 11 Ch.D),dedicated in producing APIs,cosmetic & food ingredients,as a manufacturing and exporting base on the chemical pharmaceuticals industry. Tel: +86 571 85054016 / fax: +86 571 85054082 web site : www.pharma-chemical.com Email: cjw9999@163.com or cjw99999@pharma-chemical.com msn :cjw99999@msn.com packing size :5kgs/al tin standard:usp29/nf24 or EP5 or JP14 purity:99%