Zhengzhou Minzhong Pharmaceutical Co Ltd | Leading Rifamycin API Manufacturer Since 1994
Zhengzhou Minzhong Pharmaceutical Co Ltd | Leading Rifamycin API Manufacturer Since 1994 | GMP & COS Certified
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GMP & COS Certified Manufacturer
China's Trusted Rifamycin API Manufacturer Since 1994
Zhengzhou Minzhong Pharmaceutical Co., Ltd. is a professional enterprise specializing in the research, production, and global distribution of semi-synthetic antibiotic APIs — serving pharmaceutical companies across 30+ countries with GMP-certified Rifamycin derivatives.
30+
Years Experience
30+
Export Countries
9+
API Products
Established
Since 1994
Certification
GMP · COS · DMF
30+
Years of Excellence
About Minzhong Pharmaceutical
A Pioneer in Rifamycin Derivative Manufacturing
Zhengzhou Minzhong Pharmaceutical Co., Ltd., established in 1994, is a professional enterprise dedicated to the research, production, and global sales of semi-synthetic antibiotic raw materials and pharmaceutical products. Strategically located on the Zhengbian Industrial Belt in Henan Province, the company enjoys excellent connectivity via National Highway 107, the Beijing-Hong Kong-Macau Expressway, Longhai Railway, and is just 11 kilometers from Zhengzhou Xinzheng International Airport.
The company independently developed the "New Process for the Production of Rifapentine", which earned a national patent and the second prize for major scientific and technological progress in Henan Province in 2003. In 2005, the products were jointly recognized as "National Key New Products" by the Ministry of Science and Technology, the Ministry of Commerce, and other national agencies.
Minzhong Pharma maintains long-term technical cooperation with the Sichuan Antibiotics Research Institute, China Medical Group, and the Pharmaceutical Research Institute of Zhengzhou University, ensuring strong R&D capabilities and continuous innovation.
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Advanced R&DPatented production processes
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National RecognitionHigh-tech enterprise award
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Research PartnershipsTop Chinese institutions
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SustainabilityEco-friendly manufacturing
Our Product Portfolio
Premium Rifamycin Derivative APIs & Intermediates
Zhengzhou Minzhong Pharmaceutical manufactures a comprehensive range of active pharmaceutical ingredients and intermediates, all produced under strict GMP conditions and meeting international pharmacopoeia standards.
Active Pharmaceutical Ingredients (APIs)
Rifampicin
CAS No. 13292-46-1
A first-line anti-tuberculosis antibiotic API widely used in the treatment of TB and other mycobacterial infections. Produced under GMP with European COS compliance.
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Rifamycin Sodium
CAS No. 14897-39-3
A semi-synthetic antibiotic used as a key raw material in the production of various Rifamycin derivative drugs. GMP certified with DMF documentation available.
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Rifabutin
CAS No. 72559-06-9
An ansamycin antibiotic used for the prevention and treatment of Mycobacterium avium complex (MAC) disease, particularly in immunocompromised patients.
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Rifapentine
CAS No. 61379-65-5
A long-acting Rifamycin derivative for tuberculosis treatment. Minzhong's patented production process earned national recognition and European COS certification.
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Rifaximin
CAS No. 80621-81-4
A non-absorbable antibiotic used for the treatment of traveler's diarrhea, irritable bowel syndrome, and hepatic encephalopathy. High-purity pharmaceutical grade.
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Piroxicam
CAS No. 36322-90-4
A non-steroidal anti-inflammatory drug (NSAID) API used in the treatment of rheumatoid arthritis, osteoarthritis, and other inflammatory conditions.
APIPharmaceutical Intermediates
Rifamycin S
CAS No. 13553-79-2
A critical intermediate in the synthesis of various Rifamycin derivative antibiotics. Manufactured with high purity and consistent quality for downstream API production.
IntermediateLearn More
Rifamycin O
CAS No. 14487-05-9
An important pharmaceutical intermediate used in the production pathway of Rifamycin-class antibiotics. Available in bulk quantities for industrial applications.
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Sodium Rifamycin S
CAS No. 133956-65-7
The sodium salt form of Rifamycin S, offering enhanced solubility for pharmaceutical manufacturing processes. Produced under strict quality control protocols.
IntermediateLearn More
Why Choose Minzhong
Your Reliable Rifamycin API Partner
With over three decades of specialized expertise, Zhengzhou Minzhong Pharmaceutical delivers unmatched quality, regulatory compliance, and global supply reliability.
30+ Years Expertise
Dedicated exclusively to Rifamycin derivatives since 1994, with patented production processes and deep domain knowledge.
Advanced R&D
State-of-the-art Hewlett-Packard analytical equipment, partnerships with leading Chinese research institutes, and continuous innovation.
Triple Certified
GMP certified, European COS approved, and DMF holder — meeting the most stringent international pharmaceutical standards.
Global Reach
Products registered and exported to India, Russia, Brazil, Mexico, Europe, Southeast Asia, and 30+ countries worldwide.
Quality & Compliance
International Certifications & Registrations
Zhengzhou Minzhong Pharmaceutical maintains the highest quality standards with internationally recognized certifications, ensuring every API meets rigorous safety and efficacy requirements.
GMP Certification
Good Manufacturing Practice certification ensuring products are consistently produced and controlled according to the highest quality standards. First certified in 2004, with new-version GMP achieved in 2015.
European COS Certification
Certificate of Suitability to the European Pharmacopoeia (CEP/COS), confirming compliance with European quality standards. Rifapentine COS certified since December 2008.
DMF & Global Registrations
Drug Master File holder providing transparent manufacturing data for regulatory support. Products registered in India, Ukraine, Russia, Brazil, Mexico, and across Southeast Asia and Europe.
Manufacturing Excellence
State-of-the-Art GMP Production Facility
Zhengzhou Minzhong Pharmaceutical operates a modern manufacturing facility spanning over 5,000 square meters in Zhengzhou, China. The facility features modern stainless steel pharmaceutical equipment, highly automated GMP-standard workshops, and advanced Hewlett-Packard microelectronic inspection, analysis, and detection equipment.
Dedicated areas for raw material storage, production, quality control, and packaging ensure complete process integrity. The company also operates a second production base — Kaifeng Minzhong Pharmaceutical Co., Ltd. — which commenced production in 2025, further expanding manufacturing capacity.
5,000+
Sq. Meters
2
Production Bases
GMP
Standard
Our Journey
Three Decades of Pharmaceutical Excellence
From our founding in 1994 to becoming a globally recognized Rifamycin API manufacturer, every milestone reflects our commitment to quality and innovation.
1994
Company Founded
Zhengzhou Minzhong Pharmaceutical Co., Ltd. established as a professional Rifamycin derivatives manufacturer.
2003
National Patent & Award
"New Process for the Production of Rifapentine" won national patent and second prize for major scientific and technological progress in Henan Province.
2004
GMP Certification
Rifamycin Sodium and Rifampicin passed GMP certification from the State Drug and Food Administration.
2005
National Key New Products
Products jointly recognized as "National Key New Products" by four national ministries and administrations.
2006
High-Tech Enterprise
Received "High-tech Product" certificate and included in "China High-tech Product Export Catalog." Awarded "High-tech Enterprise" status.
2008
European COS Certification
Rifapentine passed the European Certificate of Suitability (COS) certification, opening doors to European pharmaceutical markets.
2015
New GMP Standard
Successfully passed the new-version GMP certification, demonstrating continued commitment to the highest manufacturing standards.
2020
License Renewal & GMP Compliance
Renewal of production license and obtaining updated GMP compliance documents.
2024
WC Certificate
Rifamycin Sodium obtained WC certificate, further strengthening global market access.
2025
Kaifeng Production Base
Kaifeng Minzhong Pharmaceutical Co., Ltd. commenced production, expanding the company's manufacturing capacity.
Frequently Asked Questions
Common Questions About Minzhong Pharmaceutical
Zhengzhou Minzhong Pharmaceutical specializes in Rifamycin derivative APIs including Rifampicin (CAS 13292-46-1), Rifamycin Sodium (CAS 14897-39-3), Rifabutin (CAS 72559-06-9), Rifaximin (CAS 80621-81-4), Rifapentine (CAS 61379-65-5), and Piroxicam (CAS 36322-90-4). The company also produces pharmaceutical intermediates such as Rifamycin S, Rifamycin O, and Sodium Rifamycin S.
Yes. Zhengzhou Minzhong Pharmaceutical first obtained GMP certification in 2004, passed recertification in 2009 (Certificate No.: Yu K0098), and achieved new-version GMP certification in 2015. The company also holds European COS certification for Rifapentine (since 2008) and is a DMF holder, ensuring full regulatory compliance for global markets.
Minzhong Pharmaceutical exports its APIs to over 30 countries and regions including India, Ukraine, Russia, Brazil, Mexico, and numerous markets across Southeast Asia and Europe. Products are registered in multiple countries to ensure smooth regulatory compliance for international customers.
Minzhong Pharmaceutical stands out with over 30 years of exclusive focus on Rifamycin derivatives, a patented production process for Rifapentine, triple certification (GMP, COS, DMF), long-term partnerships with leading Chinese research institutions, and a 5,000+ square meter state-of-the-art manufacturing facility with two production bases. The company has been recognized as a national "High-tech Enterprise" and "double-excellent" foreign investment enterprise.
Yes. Zhengzhou Minzhong Pharmaceutical offers bespoke synthesis solutions ranging from small-scale research quantities to large-scale commercial production. The company's advanced synthesis capabilities, process optimization expertise, and state-of-the-art analytical laboratories enable them to meet unique client requirements across the Rifamycin product family.
You can request a quotation by contacting Minzhong Pharmaceutical directly via email at info@minzhongpharma.com, by phone at +86-371-65797114, or through WhatsApp/WeChat at +86 173 3535 0289. You can also fill out the inquiry form on this page or visit the official website at minzhongpharma.com/contact/ for additional contact options.
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Partner with Zhengzhou Minzhong Pharmaceutical — 30+ years of trusted quality, GMP & COS certified, serving pharmaceutical companies in 30+ countries worldwide.
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Contact Zhengzhou Minzhong Pharmaceutical
Whether you need product inquiries, sales quotations, partnership discussions, or technical support — our team is ready to assist you.
Head Office
Intersection of Sigangliandong Ave. & Zhengshang Rd., Economic Development Zone, Zhengzhou, China 451472
WhatsApp / WeChat
Production Base 1
Development Area of Xiezhuang, Zhongmou County, Zhengzhou, China
Production Base 2 (Kaifeng)
Kaifeng Fine Chemical Development Zone, Wangtun Township, Yuwangtai District, Kaifeng, China