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CZ Pharma (Changzhou Pharmaceutical Factory) is a globally recognized manufacturer of high-quality Active Pharmaceutical Ingredients (APIs), intermediates, and finished dosage forms. With over 800 tons of API and 3 billion tablets produced annually, we serve markets across the USA, EU, Japan, and beyond.
Established in 1949 in Changzhou, Jiangsu Province, CZ Pharma (Changzhou Pharmaceutical Factory) has grown into a leading global pharmaceutical manufacturer specializing in cardiovascular medicines, APIs, and finished formulations.
With an annual output of over 800 tons of APIs and more than 3 billion tablets, we are committed to delivering high-quality, safe, and effective pharmaceutical products to partners worldwide. Our facilities are approved by the U.S. FDA, EU GMP, PMDA (Japan), and Chinese NMPA.
CZ Pharma is established in Changzhou City in 1949, laying the foundation for decades of pharmaceutical innovation.
Our API Hydrochlorothiazide receives U.S. FDA approval, marking our entry into the American market.
Received CEP certificate for Hydrochlorothiazide, affirming compliance with European standards.
Passed U.S. FDA audits for the 9th time and EU GMP inspection 3 times, demonstrating consistent quality.
Changzhou Pharma and Nantong Chanyoo receive approval from Japan's PMDA, expanding our Asian presence.
Changzhou Pharma and Nantong Chanyoo successfully pass FDA routine inspection, maintaining compliance.
High-quality APIs, intermediates, and finished dosage forms developed under strict GMP standards. All products are supported by DMF filings and regulatory compliance.
Form III | Pilot Batch: 5-8kg
Form I | Batch Size: ~115kg
USDMF39291
Form II | Batch Size: ~9.5kg
USDMF38958
Form N-1 | Batch Size: 1.5-4.2kg
USDMF37883
Form B | Batch Size: ~14kg
USDMF37882
Form I | Batch Size: 10.5-12.7kg
USDMF36657 | EUDMF
Hemihydrate | Batch Size: 79.2-89.5kg
USDMF36739 | EUDMF
Form I | Batch Size: 89.5-99.7kg
USDMF | EUDMF
Batch Size: 400kg
USDMF33888 | EUDMF
Batch Size: 800kg
USDMF13771
Comprehensive pharmaceutical development and manufacturing services tailored to global regulatory standards.
End-to-end API synthesis from lab scale to commercial production, including process optimization, impurity profiling, and regulatory filing support (USDMF, EUDMF).
Manufacturing of tablets and other solid dosage forms under strict GMP conditions. Capabilities include formulation development, stability testing, and packaging.
Advanced research in polymorph screening, salt selection, and formulation optimization. Full analytical support including method development and validation.
Our R&D center is equipped with state-of-the-art laboratories and staffed by experienced scientists dedicated to innovation in pharmaceutical development.
We focus on process optimization, impurity control, polymorph screening, and formulation development to ensure robust, scalable, and patent-free manufacturing processes.
Stay updated with the latest developments from CZ Pharma.
Changzhou Pharma and Nantong Chanyoo successfully passed the U.S. FDA routine inspection, reaffirming our commitment to quality and compliance.
Read More →The pharmaceutical industry continues to see increased demand for high-purity, well-characterized APIs, especially in oncology and chronic disease treatments.
Read More →We strive to provide customers with quality products and responsive service. For inquiries about APIs, finished formulations, or partnership opportunities, please reach out.
No. 518 Laodong East Road,
Changzhou, Jiangsu, China 213018
+86 519 88821493
+86 519 88809235
+86 519 68010600
Monday–Friday: 9am to 6pm
Saturday–Sunday: Closed
For product inquiries, samples, quotes, or regulatory information, please contact us through the official website.
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