Established in 1956, Zhejiang Ruibang Laboratories is a leading Chinese manufacturer of Active Pharmaceutical Ingredients (APIs) and finished drug products. The company is FDA-approved and certified with both Chinese and European GMP standards. Ruibang focuses on fermentation and chemical synthesis, producing a variety of gluconate series products including calcium gluconate, zinc gluconate, and magnesium gluconate, among others. The company also operates globally, with a presence in the USA since 2006.