RZBC GROUP CO. LTD.

Rizhao Jinhe Biochemistry Group (??????????????) is a large-scale, specialized manufacturer of citric acid and citrate salt products headquartered in Rizhao, Shandong Province, China. Founded in 1992, the company has grown into one of the world's leading professional producers of citric acid series products, with an annual production capacity of 450,000 metric tons. Its stated vision is to maintain sustained and leading industry competitiveness on a global scale.

The company's core product portfolio centers on citric acid and its derivative salts, including anhydrous citric acid, citric acid monohydrate, and sodium citrate (both dihydrate and anhydrous forms). These ingredients serve a broad range of end markets: food and beverage (as acidulants, flavoring agents, preservatives, and freshness agents), pharmaceuticals (as excipients, anticoagulants, expectorants, and diuretics), cosmetics (as antioxidants), chemical processing (as plasticizers and antioxidants), and household/industrial cleaning (as detergent builders and phosphate-free detergent additives replacing sodium tripolyphosphate). Products are supplied in multiple packaging formats including kraft paper bags, plastic woven bags, paper-plastic composite bags, and bulk containers (jumbo bags), available in 25 kg, 500 kg, and 1,000 kg configurations.

Rizhao Jinhe operates a National Technology Center, a postdoctoral research workstation, and a National Citric Acid Industry Analysis and Testing Center, underscoring its commitment to R&D and quality control. In 2026, its subsidiary Rizhao Jinhe Boyuan Biochemical Co., Ltd. launched an upgrade of its Laboratory Information Management System (LIMS), implementing ten functional modules covering raw material testing, in-process quality control, and full-chain detection business — reflecting the group's push toward digital quality management.

The company has received industry recognition, including the "Industry Contribution Award" from the China Biofermenting Industry Association (??????????) in 2026, affirming its standing as an advanced enterprise within China's biological fermentation sector. The group's manufacturing operations leverage biological fermentation technology as the basis for citric acid production.

With decades of operational history, large-scale manufacturing infrastructure, integrated R&D capabilities, and a diversified product range serving food, pharma, chemical, cosmetic, and detergent industries globally, Rizhao Jinhe Biochemistry Group is positioned as a top-tier global supplier of citric acid ingredients.