Founded in 2007, Shanghai Twisun Bio-pharm Co., Ltd. is a professional national Hi-tech manufacturer, which unifies R&D, produce, sale and service for high level advanced intermediates, APIs, special chemicals and natural medicine. Registered capital is $2.6 million, fixed assets is more than $16 million. Twisun's headquarters is located in Shanghai Jinshan No.2 industry area, production bases are in Anhui and Jiangxi province, total area is 100000 ㎡, more than 300 staffs. The annual sales break through $50 million.

Twisun have fully-featured organizational structure and advanced core product system. Product mainly involves in cardiovascular, antiviral, antidiabetic, antineoplastic, antifungal and deprementia, more than 80 key intermediates of 6 major categories include Darunavir, Atazanavir, Grazoprevir, Velpatasvir, Daclatasvir, Tenofovir, Ledipasvir, Sofosbuvir, Posaconazole, Saxagliptin, Sacubitril, Vorapaxar etc.

Twisun adhering to "Quality Based, Customer First, Credit Management, Professional Services" business principle. We have built good and steady cooperation relationship with numerous pharmaceutical enterprises from both domestic and international. Our products are exported to Europe, USA, the Middle East, India, Southeast Asia and other regions. Twisun gained highly approved and good reputation from market and customers.