kaiyun·(中国)官方网站 is a national high-tech enterprise focusing on structural invention of drug innovation, research and application of new technologies, and the research and manufacture of characteristic generic drugs.There are two research and development institutes in Nanjing and Suzhou, two production bases in Huai'an and Suzhou, respectively, and a third production base under construction in Rizhao, Shandong.

Currently, Zenji has about 900 employees, in which there are around 200 professional scientific research and technical personnel, with more than 30 people with a master's degree, a doctor’s degree or above, including many overseas returnees and foreign employees. The Executives are of medical, pharmaceutical, chemistry, and management professionals.

Zenji focuses on the development and manufacture of antiviral, antitumor, cardio-cerebrovascular and digestive drugs. Antiviral drugs include Remdesivir, Favipiravir, Peramivir, Sofosbuvir, Ledipasvir, Velpatasvir, etc.; Antitumor drugs include Eribulin, Alectinib, Palbociclib, etc.; Cardio-cerebrovascular drugs include Colpidogrel Bisulfate, Citicoline sodium, Pitavastatin, etc.; Digestive drugs include Cimetidine, Famotidine, Rebamipide, etc. The company conducts research on innovative drugs through joint and independent development and obtains structural invention patents and technology application patents.

Zenji’s main business models include independent brand, joint development, and commissioned customization, carrying out global operations. For now, the company has obtained dozens of Chinese GMP certificates and many products approved by NMPA, FDA, EMA, and PMDA, and has cooperated with many well-known enterprises in research and development and manufacture. Zenji has passed domestic and foreign customer audits and on-site inspections for many times, and our products cover many countries and regions.

Zenji is a pharmaceutical company driven by R&D with efficient and standardized production, and participates in global management. After years of accumulated Research & Development investment, successful Merger & Acquisition management, and global marketing team construction, Zenji has entered a rapid growth channel.

Zenji takes “Integrity and Compassion” as its core values, “Develop science and technology to improve human health” as its mission, and “Emphasizing quality, Meditating innovation, Seeking progress, and Standardizing production” as its business philosophy. These ideas together have made Zenji Pharmaceuticals an outstanding pharmaceutical company recognized domestically and even globally.


Approval of variety manufacturing
Zenji has a number of products that have been approved by China's NMPA, US FDA, EU EMA and Japan PMDA. The products cover many provinces and cities in China and are exported to more than 20 countries and regions such as the United States, the European Union, Japan, South Korea and India.
CDMO (pharmaceutical contract outsourcing)
1. Customized synthesis service. 2. API declaration service. 3. Commissioned processing service.
Pharmaceutical intermediates and API
Zenji has successfully developed a series of few drugs such as antiviral, antitumor, cardio-cerebrovascular and digestive drugs, etc., and can cater the global pharmaceutical companies with a large number of raw materials, registered starting materials, GMP advanced intermediates and APIs.
Quality system

Our company is committed to maintain the highest cGMP standards with continuous improvements to the current standards throughout the product lifecycle. Our quality unit comprises of both quality assurance and quality control. Our quality control and validation labs are self dependent and is fitted with UPLC, HPLC, GC, Particle Size analyzers, LC-MS, stability chambers, moisture analyzers and all microbiology equipment's.

Social responsibility

Our company is committed to the development and production of antiviral, antitumor, cardio-cerebrovascular and digestive drugs, and actively develops innovative drugs to contribute to human health.