Zhoushan Zhongnan Anchor Chain Co., Ltd. is located in the first national island new area - Zhoushan, adjacent to the four major Buddhist holy sites of Mount Putuo, and close to the world's largest port - Zhoushan Port. The company was established in 1986, covering an area of 18,000 square meters. After more than 30 years of accumulation and development, it has become China's most modern manufacturer of marine anchor chains and marine engineering mooring chains. The factory has the world's leading intelligent marine anchor chain and marine mooring chain automated production lines, as well as complete product physical and chemical testing equipment and research and development center. According to the international ISO1704 standard, it produces grade 2 (M2) and grade 3 (M3) ship anchor chains, marine mooring chains, and various accessories for the above chains with diameters ranging from 14mm to 122mm. It has obtained factory certification from 8 internationally renowned classification societies including China Classification Society (CCS), Lloyd's Register (LR), Det Norske Veritas (DNV), American Bureau of Shipping (ABS), Bureau Veritas (BV), Nippon Kaiji Kyokai (NK), Korean Register of Shipping (KR), and Registro Italiano Navale (RINA). It is a well-known brand in Zhoushan with an annual output of 50,000 tons.