Constantly building upon our extensive knowledge of the Chinese market, our company runs its own research and development teams, which are capable of continuously meeting the challenges of complex Multi Stage Chemistry.
Since starting off in 1995 as the first Active Pharma Ingredient manufacturer in Hong Kong, we are proud of our constant growth.
Foundation of PEN TSAO in Hong Kong as private owned company.
Operations moved to Shanghai.
First foreign enterprise in Shanghai granted GMP-status.
First WHO pre-qualified supplier of MDR-tuberculosis drugs.
New site in Pinghu (Zhejiang province) acquired.
Foundation of RODALLIS BioPharma Co. Ltd.
Rodallis becomes operational.
Regular flying inspections (last March 2023)
February 2021
March 2021, July 2022
2 in 2020, 3 in 2021, 3 in 2022 (Online)
While under German management, the PEN TSAO Group is owned by private partners from Hong Kong, Switzerland and Germany.
Besides our original location in Hong Kong, where the PEN TSAO Group was founded and is managed from, our production locations are divided into two seperate sites:
Area of 11.000 m²
35 km from Hongqiao Hub
45 km from Pudong Intl. Airport
56 m³ reactor volume, completed with solid/liquid separation, over 800 different compounds synthezised and more than 150 of them commercialized
Waste water and waste gas treatment facilities
Area of 33.300 m² (+ 16.600 m² for extension)
65 km from Hongqiao Hub
90 km from Pudong Intl. Airport
3 km south of Shanghai Jinshan Chemical Park
API production: 218 m³ reactor volume,
Multi Purpose OSD facility: 70 t Formulations