Shandong Ruiheng Biotechnology Co., Ltd.（山东瑞恒生物科技有限公司）is a high-tech chemical manufacturing enterprise based in Tengzhou, Shandong Province, China. The company specializes in the production of food-grade preservatives and acidifiers, supplying both domestic and international food, beverage, and pharmaceutical industries with reliable, high-purity ingredients essential for product safety and shelf-life extension.
Core Business and Specialization
Established with a focus on chemical synthesis and biological technology integration, Shandong Ruiheng has become a key player in China’s food additive sector. The company’s operations are centered around the production of safe, compliant, and standardized food preservatives, with a specialization in benzoates, sorbates, and acetates.
Key business activities include:
- Manufacturing food-grade preservatives and acidulants
- Providing custom chemical synthesis services
- Supporting regulatory documentation and export certifications
As a certified high-tech enterprise, Ruiheng maintains strong R&D capabilities and emphasizes clean production processes and environmental compliance.
Product Portfolio
Shandong Ruiheng’s product line comprises a range of food preservatives and buffering agents, widely used in processed food and beverage formulations:
- Benzoic Acid – A core antimicrobial agent used in acidic foods and beverages to inhibit yeast, mold, and bacterial growth.
- Sodium Benzoate – Water-soluble form of benzoic acid, suitable for carbonated drinks, sauces, and fruit products.
- Calcium Propionate – Commonly used in baked goods and dairy products to prevent mold and bacterial spoilage.
- Potassium Sorbate – An effective preservative for wine, cheese, yogurt, and other processed foods.
- Sodium Acetate – Used for flavoring and pH buffering in snack foods and meat products.
- Calcium Acetate – Acts as a stabilizer and firming agent in various food applications.
- Sodium Propionate – A mold inhibitor particularly used in bakery and confectionery.
- Sodium Biacetate – A blend of acetic acid and sodium acetate for flavoring and preservation.
- Potassium Benzoate – Preservative alternative in carbonated soft drinks and acidic foods.
These products comply with Chinese GB standards, and in many cases meet international regulatory requirements such as FCC, USP, and E number classifications in the EU.
Manufacturing Capabilities
The company operates a modern chemical production facility equipped with:
- High-temperature reactors for benzoate synthesis
- Precision drying and granulation systems
- In-house laboratories for quality testing and product validation
- Environmentally controlled waste treatment units
With an estimated annual production capacity of several thousand metric tons, Ruiheng supports both high-volume industrial clients and small-batch custom orders.
Quality Assurance and Certifications
Shandong Ruiheng applies a strict quality management framework to ensure product consistency and safety. Key quality assurance highlights include:
- Comprehensive batch testing for purity, moisture, and contaminant levels
- On-site laboratory equipped with GC, HPLC, and titration methods
- Compliance with China National Food Safety Standards (GB)
- Export-oriented documentation including COA, MSDS, TDS, and relevant health and customs certificates
Though not explicitly listed, the company’s operations likely align with ISO 9001 and food safety management protocols based on its product applications and international outreach.
Export and Market Reach
Shandong Ruiheng exports its products to a growing number of international markets, including:
- Southeast Asia (Vietnam, Thailand, Indonesia)
- Middle East (Iran, UAE, Egypt)
- Eastern Europe and Latin America
Based on trade channel data and partner listings, Ruiheng has executed export contracts exceeding 1,500 metric tons/year of sodium benzoate and calcium propionate alone. Products are packed in bulk 25kg bags, drums, and custom packaging formats to suit various regulatory and logistic needs.
Clientele and Application Sectors
The company serves B2B clients across:
- Food processing (snacks, sauces, dairy, beverages)
- Bakery and confectionery sectors
- Fermented product manufacturers
- Pharmaceuticals and cosmetic formulators requiring antimicrobial stabilizers
The additives are often integrated into:
- Baked goods and bread
- Pickled vegetables and sauces
- Carbonated beverages and fruit drinks
- Cheese, yogurt, and fermented dairy
- Packaged meats and ready meals
R&D and Innovation
As a registered high-tech enterprise, Ruiheng invests in continuous product improvement and alternative synthesis techniques. Their R&D efforts focus on:
- Enhancing preservative efficacy in multi-phase formulations
- Reducing residual solvent levels
- Expanding compatibility with clean-label and natural product formulations
Collaborations with regional chemical institutes and agricultural universities further support the company’s technical development.
Brands and Identity
Ruiheng markets its products under the brands:
- Ruiheng – Corporate brand associated with core preservatives and chemical products
- Tengbao – A proprietary brand targeting domestic food manufacturers, especially in North China
These brands are recognized for their purity, competitive pricing, and regulatory compliance.
Major Achievements
- Over 10 years of continuous production in the food preservative sector
- Expanded export operations to more than 20 countries
- Developed over 9 core chemical formulations adapted for different food systems
- Recognized regionally as a high-tech small and medium-sized enterprise
- Maintains a strong reputation in the Hebei and Shandong industrial chemical clusters
Shandong Ruiheng Biotechnology Co., Ltd. continues to strengthen its position as a trusted supplier of essential food preservatives and functional chemicals by combining regulatory compliance, scalable production, and customer-focused customization.