Hubei YC Pharmaceutical Co.,Ltd. is a leading Chinese chemical supplier special in fine chemical,pharmaceutical and intermediates. As one of largest manufacturers of chemical raw materials in China, our main products include Testosterone series, Trenbolone series, Nandrolone series, Methenolone series, Melatonin, L-carnitine, D-Biotin pure,Vitamin B1, Vitamin E oil 96%, steroid hormone and so on.Our products have passed ISO 9001, and we have got KOSHER certificates. We also distribute pharmaceutical raw materials from our affiliated factories like Aspartame, Sucralose, Metronidazole, Arbutin,