Wuxi Jinghai Amino Acid Co., Ltd., established in 2003 and headquartered in Wuxi, Jiangsu Province, China, is a nationally recognized high-tech enterprise specializing in the production, research, and global distribution of pharmaceutical-grade amino acids. With a focus on innovation, quality control, and international compliance, the company plays a leading role in supplying essential amino acids to the pharmaceutical, nutraceutical, and clinical nutrition sectors.
Core Business Activities
Wuxi Jinghai is engaged in the manufacturing of high-purity, fermentation-based amino acids, with primary applications in:
- Pharmaceutical formulations
- Parenteral and enteral nutrition
- Nutraceuticals and dietary supplements
- Biological research and diagnostics
Its product lineup includes over 20 amino acid compounds, with special focus on essential and conditionally essential amino acids.
Product Portfolio
-
Branched-Chain Amino Acids (BCAAs):
- L-Isoleucine
- L-Leucine
- L-Valine
-
Conditionally Essential Amino Acids:
- L-Glutamine
- L-Arginine
- L-Cysteine HCl
- L-Tyrosine
- L-Proline
-
Essential Amino Acids:
- L-Tryptophan
- L-Phenylalanine
- L-Threonine
- L-Lysine Acetate
- L-Methionine
-
Non-Essential Amino Acids and Derivatives:
- L-Serine
- L-Asparagine
- L-Glutamic Acid
These products are marketed under the company’s proprietary brand "Aminowill", known for consistent purity and regulatory compliance.
Manufacturing Capabilities
- Production Base: Located in Wuxi, covering over 30,000 square meters
- Production Method: Advanced microbial fermentation followed by downstream purification
- Annual Capacity: More than 2,000 tons of amino acids
- Facilities:
- GMP-compliant workshops
- In-house microbial strain development lab
- Precision crystallization and spray drying equipment
The company also maintains dedicated cleanrooms and high-efficiency purification lines to meet injectable-grade amino acid specifications.
Certifications and Quality Assurance
Wuxi Jinghai maintains rigorous quality management systems to ensure international compliance. The company is certified for:
- GMP (Good Manufacturing Practice)
- ISO 9001
- ISO 22000
- FSSC 22000
- Kosher & Halal
- USP, EP, JP monograph compliance for select products
- DMF (Drug Master File) registration for key amino acids including L-Isoleucine and L-Glutamine
All products undergo comprehensive quality testing, including:
- Heavy metal analysis
- Microbiological purity
- Enantiomeric purity (chirality)
- Endotoxin and pyrogen testing (for parenteral grades)
R&D and Innovation
Wuxi Jinghai invests over 8% of its annual revenue into research and development. The company operates:
- Amino Acid Application Laboratory for product formulation support
- Strain Optimization Lab for high-yield microbial fermentation
- Collaborations with top institutions including Shanghai Jiao Tong University and Chinese Academy of Sciences
Recent innovations include:
- High-yield production of L-Glutamine with reduced residual ammonia
- Development of low-endotoxin injectable-grade amino acids
- Enhanced L-Cysteine HCl purification via ion-exchange chromatography
Global Market Reach
Wuxi Jinghai exports to over 40 countries, serving clients in:
- North America
- European Union
- Southeast Asia
- Middle East
- Latin America
According to Volza and ImportYeti data:
- The company has completed more than 900 international shipments between 2019 and 2024
- Estimated export revenue exceeds USD 35 million
- Strategic partnerships with pharmaceutical manufacturers and global ingredient distributors
Key export markets include the United States, Germany, India, South Korea, and Brazil.
Target Customers
- Pharmaceutical and injectable nutrition manufacturers
- Clinical nutrition and enteral/parenteral feed producers
- Dietary supplement brands
- Biotech labs and academic research institutions
- Functional food and beverage developers
Major Achievements
- Recognized as a Jiangsu Province High-Tech Enterprise
- Successfully filed DMF with U.S. FDA for L-Isoleucine and L-Glutamine
- “Aminowill” brand selected as Top 10 Functional Ingredient Brands in China
- Consistently rated as a Tier-1 Supplier by multinational clients
Customer Testimonials
"Wuxi Jinghai is one of the few Chinese amino acid suppliers whose injectable grades meet our strict regulatory and microbial specifications."
– Director, Global Pharmaceutical Formulations Firm
"Their team’s knowledge of DMF and documentation helped us accelerate our time-to-market for clinical nutrition products."
– Regulatory Affairs Lead, U.S. Nutraceutical Company
With deep expertise in amino acid production, global regulatory compliance, and application innovation, Wuxi Jinghai Amino Acid Co., Ltd. continues to be a trusted strategic partner for pharmaceutical and nutritional product developers worldwide.
