Hangzhou Bioking Biochemical Engineering Co., Ltd.（杭州宝晶生物股份有限公司）, headquartered in Hangzhou, China, is a global manufacturer specializing in the production and export of tartaric acid series products and other organic acids. With decades of experience in biochemical engineering, the company is recognized for its high-purity acid derivatives used in food, pharmaceuticals, chemicals, and industrial applications.
Core Business and Product Offerings
Hangzhou Bioking focuses on the manufacturing and global distribution of:
-
Tartaric Acid Series
- L(+)-Tartaric Acid
- D(-)-Tartaric Acid
- DL-Tartaric Acid
-
Tartaric Acid Salts
- Potassium Hydrogen Tartrate (Cream of Tartar)
- Potassium Sodium Tartrate (Rochelle Salt)
-
Other Organic Acids
- L-Malic Acid
These products serve a variety of industries:
- Food and Beverage – As acidulants, leavening agents, and pH regulators
- Pharmaceutical – As excipients, chiral resolving agents, and stabilizers
- Chemical Synthesis – For catalysis and complexing applications
- Construction and Electroplating – As concrete retardants and chelating agents
Specialization and Unique Selling Proposition
Hangzhou Bioking’s market strength is built on:
- Chiral Purity – The company produces enantiomerically pure L(+) and D(-) tartaric acids with high optical rotation values and minimal racemization.
- Full Product Line Coverage – Offers all commercial tartaric acid forms and derivatives.
- Consistent Quality – Products comply with international pharmacopeia standards including USP, EP, JP, and FCC.
Differentiators include:
- High solubility and stability grades
- Food-grade and pharma-grade variants
- In-house formulation support for industrial and dietary applications
Target Market
The company exports its products to more than 50 countries, serving:
- Food and beverage ingredient distributors
- Pharmaceutical formulation companies
- Chemical manufacturing industries
- Baking product suppliers
- Electroplating and construction chemical producers
Major export markets include:
- Europe
- North America
- Southeast Asia
- South America
- Middle East and Africa
Manufacturing Capabilities and Infrastructure
Bioking’s production facilities are located in Hangzhou and surrounding regions, equipped with:
- Fermentation-based tartaric acid production lines
- Multiple purification and crystallization units
- Spray drying and granulation capabilities
- Automated control systems for pH, temperature, and optical purity monitoring
Production Capacity:
- Over 6,000 metric tons per year of tartaric acid and derivatives
- Advanced logistics and warehousing facilities for international shipments
Certifications and Compliance
Hangzhou Bioking ensures strict adherence to quality and safety regulations:
- ISO 9001:2015 Quality Management System
- ISO 22000 Food Safety System
- Halal and Kosher Certifications
- Products conform to:
- USP (United States Pharmacopeia)
- EP (European Pharmacopoeia)
- FCC (Food Chemicals Codex)
- Chinese GB Standards
Financial and Shipment Records
According to shipment analytics platforms such as ImportYeti and Volza:
- The company has completed hundreds of international shipments of tartaric acid and its salts annually.
- Consistent high-volume exports to Germany, Italy, USA, Brazil, and India.
- Collaborates with both direct brand manufacturers and global chemical distributors.
Major Achievements
- Recognized as one of China’s leading tartaric acid exporters
- Successfully registered tartaric acid with REACH in the EU
- Developed high-purity pharma-grade L(+) tartaric acid meeting global compliance standards
- Participated in CPhI and other international chemical exhibitions to expand global presence
Customer Testimonials
“We rely on Bioking for all our tartaric acid sourcing. Their product quality and documentation always meet our pharmaceutical requirements.”
— Regulatory Affairs Manager, Pharma Company, Germany
“Their L-Malic Acid and Potassium Tartrate products perform exceptionally well in our food applications. Excellent consistency and supply reliability.”
— Procurement Head, Beverage Manufacturer, South Korea
Hangzhou Bioking Biochemical Engineering Co., Ltd. continues to uphold its reputation for excellence in the organic acid sector, serving global industries with reliable, certified, and high-performance tartaric-based solutions.