Zhongshi Duqing(Shandong) Biotech Co., Ltd. is a High-tech enterprise combining research&development, production, marketing. Backed by China National Research institute of food&fermentation industries, it is mainly engaged in research, development and marketing of biotechnological products, health products which are based on animal or vegetable raw material. The industrization of soy peptides was realized firstly based on one of the "9.5 National Key Science and technology Projects". The annual output of soy peptide products of the company is about 5000 tons. Duqing has become one of the largest soy oligopeptides manufacturers in the world. With a strong technological force, a new products R&D centre, the production base of soy peptides, the modern factory for the production of health food and latest tool including GC, IC and liquid chromatography and so on, the company produces series of soy peptides based on NON-GMO soybean.

According to strictly the national standard, and with GMP-standard facilities, scientific and advanced process, accurate test method and equipment, assuring to produce soy peptides with better quality than similar products abroad. Taking "nature, nutrition, health"as its idea, the company will provide customers high-quality product and first-class service.