was established in 2006, located in the provincial high-tech industrial park - Mianzhu High-tech Industrial Park, is a professional manufacturer of complex amino acid series products. The company currently produces food grade compound amino acid powder series products (acidysis, enzymatic hydrolysis), industrial grade compound amino acid series products (powder, liquid), polypeptide series products (silkworm pupa, soybean), silk amino acid and other products. Products are widely used in nutrition and health food, animal health, high-end agriculture and other industries.

Ruiyang biological has been in line with the concept of "responsibility, professionalism, integrity", has always been committed to providing customers with excellent products, quality service, and jointly create a safe food environment. At the same time, the company has the production license of acid hydrolysis and enzymatic hydrolysis of two kinds of complex amino acid powder food, and has passed ISO22000 food safety management system certification. For more than ten years, the company has established a good cooperative relationship with many large and medium-sized pharmaceutical and health food enterprises, providing a full range of services for their new product development, approval, production and other links.

In 2018, the company's complex amino acid products into the high-end fertilizer market. Over the past two years, with stable quality products, professional and efficient service, soon sold in Europe, South America and the Middle East, establish a good market reputation. And assisted many foreign customers to obtain the organic certification of compound amino acid products.