Zhengmao Group Co., Ltd., formerly known as Zhenjiang Anchor Chain Factory, was founded in 1974 and is China's first modern electric welding anchor chain manufacturer. The mooring chain and anchor chain developed and produced by the company are the two pillar products. The "Sanshan" brand logo used is a famous trademark in Jiangsu Province. The company has been awarded the title of "National High-tech Enterprise" for 13 consecutive years. The enterprise has developed into a specialized production enterprise with multiple varieties, complete specifications, and an annual output of 120,000 tons of marine anchor chains and mooring chains.
        The company has 14 sets of chain production lines, 6 sets of vertical heat treatment furnaces, 1 set of 400-ton fatigue testing machine, 5 sets of anchor chain tension test and inspection equipment of 2000KN, 5000KN, 12000KN, 24000KN, 40000KN, and various metal cutting Machine tools and forging machines and other equipment. The company also has a testing center with world-class physical and chemical testing capabilities, and has passed CNAS certification.


 

        Main products:24mm~172mm diameter M2 and M3 marine anchor chains and supporting accessories.

        54mm~208mm diameter R3, R3s, R4, R4S, R5 marine engineering mooring chain and supporting accessories.
        In June 2019, our company was awarded the approved certificate of Grade R6 Mooring Chain from DNV,which is the first type approval in the world.
        We are the undisputed leader of the offshore chain industry in China, and a well-accepted name in the offshore industry more than 20 years.We provide comprehensive Offshore package services, including system designing, procurement, Installation. products widely used for Single point mooring, Calm Buoy system, FPSO, MODU, Spar, aquaculture and Renewable Energy marketing. Participate in design and product supply of the First floating wind power demonstration project in China and Signle Point Mooring System in Bangladesh.
        At the end of 1996, the company passed the ISO9001 quality system certification in the domestic industry. In 2008, the company passed the certification of occupational health and safety management system and environmental management system. The marine anchor chains and accessories produced by the company have successively obtained approval certificates from 11 classification societies in China, Britain, the United States, Norway, Japan, France, Russia, India, Italy and South Korea. The company’s R3, R3s, R4, R4S, R5, and R6 mooring chains comply with DNV (Norway), ABS (USA), LR (UK), BV (France), CCS (China) Classification Society rules, and have obtained approval certificates. The mooring chain products passed the American Petroleum Institute API's quality system audit certification for the company in November 1999, and obtained the right to use the API logo. "Sanshan" brand anchor chains are exported to more than 30 countries and regions including Japan, South Korea, Germany, Norway, Brazil and Southeast Asia.