Liangshan Ketai Biological Products Co., Ltd. (formerly Kejing Biological Products Co., Ltd.) was established in July 2003 and located in Liangshan Economic Development Zone, Shandong Province. It is a high-tech enterprise integrating production, study and research, science, industry and trade. The company has a registered capital of 6.08 million yuan and fixed assets of 20 million yuan, covering an area of 46 mu. It has two production lines with all stainless steel structure and produces two series of products, including microbial culture medium raw material series: peptone, soybean peptone, yeast extract, beef extract, fish peptone, bone peptone, beef extract, yeast extract, etc; Food and health products series: chondroitin sulfate, collagen, etc. The company produces a complete variety of microbial culture medium raw materials, and is equipped with a full set of microbial culture and detection equipment. Target microbial culture experiments are carried out for each batch of products, so as to provide the best nutrition for microorganisms and provide customers with products and services with the best cost performance. The enterprise has a biotechnology research and development center, which has long-term technical cooperation with many universities, scientific research institutions and large enterprises such as Ocean University of China and Qingdao University. It has achieved more than 50 scientific research achievements and applied for 14 national invention patents. We have developed integrated technologies for efficient and waste free processing of agricultural and sideline products such as "complex enzyme co production of chondroitin sulfate, collagen and high calcium powder", "cleaner production of chitin co production of protein and astaxanthin", "comprehensive processing of wheat bran" and "clean and comprehensive utilization of straw", so as to transform the above heavy pollution industries into zero emission and environment-friendly industries. It has further promoted the development of the same industry. It has been rated as high-tech enterprise, advanced civilized enterprise and top ten patent star enterprise for many times. It passed QS certification in 2009 and established a perfect quality system to ensure providing customers with high-quality products and satisfactory services.