SERPENTINE

We are a professional R&D and refining-process enterprise of HongTu Groups who is a large strength groups located in modern Shenzhen City of China, handling actively in various good fields. One of major areas of our groups with its own laboratory & several self-venture and joint-venture manufacturing bases is for the research and production of over 200 kinds of fine-chemical materials (mainly for Bio-Chemical & Anti-Cancer & Anti-Virus & Hormone & Cardiovascular-drug &amp... View more >>