Nantong, China

Nantong is our cGMP manufacturing site in China supplying all Western countries and China.

Main activities

  • Pilot and commercial manufacturing of drug substances (APIs) and related intermediates and raw materials
  • All fully cGMP and SHE compliant


  • 300 m³ cGMP manufacturing capacity: 1 – 10 m³ reactors
  • Powerful rectification and solvent recovery
  • Short path distillation
  • 5 non-GMP pilot suites (0.1 – 2 m³)
  • Technology in pilot and commercial: – 100 to 250 °C
  • Hydrogenation up to 40 bar
  • Chlorination, bromination, alcylation

Strategic importance

  • Manufacturing of APIs at the end of their life cycles
  • Manufacturing of intermediates and raw materials of both innovative and generic APIs
  • Competitive cost structure and Swiss level of compliance and quality

Facts and Figures

Number of FTE: 204
Production capacity: 350 m³
Competencies: APIs, intermediates, and custom synthesis


Siegfried (Nantong) Pharmaceuticals Co. Ltd.
No. 5, Tongshun Road, NETDA
Nantong City, Jiangsu Province
P.R.C. (post code: 226017)

Phone +86 513 8918 3000


Show larger map
to the top to top

Can't find the information
you are looking for?
Contact us

Siegfried AG
Untere Bruehlstrasse 4
CH-4800 Zofingen

Phone: +41 62 746 1111
Fax: +41 62 746 1202