Lianyungang Zhonghai Biotechnology Co., Ltd. was established on May 26, 2011, with a registered capital of 30 million yuan. Located in Haizhou Bay Biotechnology Park, Haitou Town, covering an area of 10467 square meters, the main products: chondroitin sulfate, annual production capacity of 300(t). The company has more than 40 employees, 10 management personnel, 16 technical personnel, 4 people with bachelor's degree in research and development institute, 2 engineers.

Chondroitin sulfate produced by the company refers to the acidic mucosaccharide extracted from edible healthy cow, bird or shark cartilage, which is also found in bone tendons, ligaments, skin and corneal tissues. The product has a wide range of uses, mainly used in cosmetics, health care products, pharmaceutical industry and other fields. The role of the product is also very significant, mainly used in the treatment of joint pain and joint repair. Moreover, through deep processing, it can treat nervous distressed, coronary heart disease, angina pectoris, atherosclerosis and hepatitis, etc. At the same time, as health care products and food additives, it can enhance human body constitution, anti-bacteria, beauty, anti-aging and other functions, and can also improve hearing and regulate dry skin. Chondroitin sulfate can inhibit the absorption of lipids and glucose in the small intestine in the body. In order to achieve the role of weight loss, it can also be used for hearing impairment and hepatitis caused by streptomycin, and such as any side effects, the product is mainly exported to the United States, Europe and other countries.

The enterprise has 16 utility model production technologies, 6 computer software Copyrights and 4 invention certificates granted by the state. In 2016, the company won the title of Lianyungang Agricultural Leading Enterprise and the title of Dynamic enterprise; In 2016, it was awarded "Caring Public Welfare Enterprise" by China Social Welfare Fund Realize Dream Foundation, 2017-2018 Ganyu District Federation of Trade Unions "Model" demonstration post, 2018 Ganyu District Party Committee and district government "Caring Public Welfare Enterprise". The company has been awarded the national 11315 Green shield credit investigation enterprise for many years. In 2020, it was listed in Jiangsu Equity Exchange Center (Agricultural board), obtained the storage qualification of science and technology enterprises in 2020, and was identified as the third batch of high-tech enterprises in Jiangsu Province in November 2022. In June 2023, we obtained HACCP, ISO22000, and quality management system certification. August 2023 HALAL certification. In May 2024, it was recognized as a special small and medium-sized enterprise.