Product Offerings
Product Categories:
Pharmaceutical Ingredients
Products:
Gluconate Series: Calcium Gluconate, Zinc Gluconate, Magnesium Gluconate, Potassium Gluconate
Zhejiang Ruibang Laboratories, headquartered in Wenzhou, Zhejiang Province, China, is a leading manufacturer of Active Pharmaceutical Ingredients (APIs) and pharmaceutical-grade gluconates. With over two decades of experience in fermentation technology, synthesis, and formulation science, the company has earned a reputation for high-purity, GMP-compliant production and consistent global exports across regulated markets.
Company Overview
Founded with a mission to deliver pharmaceutical actives and intermediates with global compliance and innovation, Zhejiang Ruibang has developed robust infrastructure and quality systems aligned with international regulatory expectations. The company serves the pharmaceutical, veterinary, and nutraceutical industries through both generic APIs and value-added derivatives.
Product Portfolio
Ruibang Laboratories specializes in antibiotic APIs, immunosuppressants, veterinary actives, and mineral gluconates.
Key Products:
- Mupirocin Base – A topical antibiotic effective against Gram-positive bacteria including MRSA. Widely used in ointments and creams.
- Cyclosporine A – An immunosuppressant used for organ transplant rejection prevention and autoimmune disease therapies.
- Fusidic Acid – Steroid-like antibiotic used in dermatological applications.
- Thiomycetin (Thiamphenicol) – A broad-spectrum antibiotic commonly used in veterinary medicine.
- Polymyxin B – A peptide antibiotic for multidrug-resistant Gram-negative infections.
- Milbemycin Oxime – Used in veterinary anthelmintic formulations.
- Calcium Gluconate – Mineral supplement for calcium deficiency, used in injections and tablets.
- Zinc, Magnesium, and Potassium Gluconates – Used in electrolyte and nutraceutical products.
The company also offers custom synthesis and contract manufacturing for specialty antibiotics and fermentation products.
Manufacturing Capabilities
Zhejiang Ruibang operates a state-of-the-art facility with:
- GMP-compliant production lines for APIs and fermentation products
- Advanced fermentation tanks, filtration, crystallization, and drying equipment
- In-house quality control laboratories equipped with HPLC, GC, UV, IR, and Microbiological testing systems
The facility is certified for handling hazardous compounds, bioactive substances, and high-potency actives, ensuring safe and compliant manufacturing.
Certifications and Regulatory Approvals
Zhejiang Ruibang holds extensive certifications for international pharmaceutical supply:
- cGMP Certification (China NMPA)
- ISO 9001:2015 – Quality Management Systems
- EU GMP Compliance (select products)
- US FDA Registration (for approved APIs)
- CEP Certification (for regulated APIs in the EU)
- WC (Written Confirmation) for European API imports
Their rigorous regulatory approach ensures compliance with WHO-GMP, PIC/S, and ICH guidelines, making them a reliable supplier to global formulators.
Export Markets and Performance
Ruibang Laboratories exports to over 70 countries, with strong footholds in:
- North America – United States, Canada
- Europe – Germany, Italy, Spain, Eastern Europe
- Asia-Pacific – India, Vietnam, South Korea, Japan
- Latin America and MENA
Export Performance Data:
- Annual export volume: 400–600 metric tons
- Export value: USD 35–50 million
- Top-performing APIs: Mupirocin, Cyclosporine A, Calcium Gluconate
Their APIs are regularly listed in regulatory filings such as US DMFs, EU ASMFs, and Japan DMFs, enabling integration into regulated pharmaceutical supply chains.
Research & Development
R&D is a core driver of Zhejiang Ruibang’s competitiveness. The company maintains an active Innovation & Pilot Lab, focused on:
- Optimization of fermentation and purification processes
- Development of high-yield strains and enzymatic pathways
- Custom synthesis for new drug development partners
- Stability testing and formulation support for global dossier filings
The R&D team collaborates with academic institutions and clients to co-develop IP-sensitive products and bioequivalent actives.
Strategic Strengths
- Strong fermentation expertise in high-value antibiotic APIs
- Regulatory transparency and international documentation readiness
- End-to-end integration from strain development to commercial API delivery
- Responsive customer service and regulatory support for ANDA, MA, and FDF applications
The company’s products have been used in over 150 registered finished dosage forms globally, underscoring their supply consistency and technical credibility.
Market Position and Outlook
Ruibang is positioned as a mid-to-large scale specialty API producer, offering high-demand actives with complex production pathways. Based on industry data:
- Estimated annual revenue: USD 50–80 million
- API production footprint: Over 25,000 square meters of GMP space
- Client base: Over 300 global pharmaceutical and veterinary clients
The company aims to expand into high-barrier APIs, ophthalmic actives, and biopharmaceutical intermediates, supported by ongoing facility upgrades and regulatory filings.
Zhejiang Ruibang Laboratories combines advanced bioprocessing, strict quality assurance, and regulatory alignment to deliver reliable, high-purity APIs and fine chemicals to pharmaceutical manufacturers worldwide. Their commitment to global standards and R&D-driven innovation makes them a strategic partner for formulation developers in regulated markets.