Nanning Doublewin Biological Technology Co., Ltd. is a leading Chinese chemical supplier specialized in Hormone Steroid Powders, Steroids Injectable Liquids, Peptide, Chemical Synthetic Drug, Pharmaceutical Raw Materials ...
Our Factory Located in China Guangxi province.It has built 10000 m2 plant equipped the advanced equipment. The factory has a complete Q.A. & Q.C.system. Attaches great importance to quality and environmental protection, ...
Quality Control Team： Quality Inspection in every step. Professional quality control staff to avoid unqualified products flowing to customer. Strict inspection on raw material, production, and delivery. Full series of ...
