Nanjing Nautical Instrument Plant No. 2 Co., Ltd. [former NANJING DONGSHENG MARINE EQUIPMENT CO., LTD] was founded in 1958, located in the scenic Nanjing Binjiang Economic and Technological Development Zone. The company covers an area of 30,000 square meters, plant area of 15,000 square meters, is a well-known professional manufacturer of marine deck machinery, State Ministry of Agriculture, the Ministry of Transportation designated manufacturers. HYE produces 1500kN.m various forms of rotary lobe type, reciprocating type and pendulum cylinder type electric-hydraulic steering gears, anchor, mooring winches and cranes, which are widely used in the supporting of marine vessel ships. Nanjing Nautical Instrument Plant No. 2 Co., Ltd. was named by the Nanjing Municipal Government as an excellent unit of industrial enterprise management and one of the top 100 enterprises in terms of comprehensive strength of science and technology, and was evaluated as a high-tech enterprise. Scientific and technological innovation, customer satisfaction with products and services, continuous improvement of quality standards to meet customer requirements is the company's quality policy. Provide users with satisfactory products; is the company's commitment to the user. the company passed the new era of quality system certification center on the hydraulic steering gears HD8B-2, windlass mooring winch, anchor, crane design, development, production and service certification ISO9001. passed the ISO9001 quality system audit.

Nanjing Nautical Instrument Plant No. 2 Co., Ltd. products mainly include various forms of marine electric hydraulic steering gear YDB-160/28, anchorages, windlass mooring winches, capstans, cranes and various hydraulic systems. Among them, electro hydraulic steering gear series, winch series are Jiangsu Province high-quality products; steering gear series steering gear won the China Shipbuilding Industry Corporation, the State Ministry of Agriculture, Jiangsu Province, the second prize of new product scientific and technological achievements, synchronized steering gear series won the China Shipbuilding Industry Corporation, Jiangsu Province, the third prize of new product scientific and technological achievements; Nanjing Science and Technology Achievement Second Prize; Electric-Hydraulic Steering Gear light steering gear series won the Jiangsu Province, the new product development award.

Nanjing Nautical Instrument Plant No. 2 Co., Ltd. has a machining center, CNC boring and milling machine, large gantry planer, vertical lathe and other processing equipment nearly 200 sets, hydraulic steering gear test bench 4, can be 1200kN.m of various forms of hydraulic steering gear type test; anchor winch test bench 2; crane test bench 1; electrical test bench 2; free-fall type lifeboat landing device test bench 1.

Nanjing Nautical Instrument Plant No. 2 Co., Ltd. products of the company are widely used in all kinds of engineering vessels, marine surveillance and fishery law enforcement vessels, bulk carriers, container ships, tankers, luxury cruise ships, chemical tankers vessel, ro-ro ships, LPG, LNG and other sea vessels. After more than 50 years of development, Nanjing Nautical Instrument Plant No. 2 Co., Ltd. has formed series and scale of various products, with an annual output of more than 1,000 sets, and enjoys a high reputation in the industry. In addition to the type approval of CCS, ZC and ZY, the products have also been approved by foreign classification societies such as ABS, LR, BV, NK, KR, GL, DNV and RINA, and have been exported to Japan, South Korea, Southeast Asia, Europe, America, Africa and other countries and regions. Nanjing Nautical Instrument Plant No. 2 Co., Ltd. future development goal is to promote the improvement of China's rudder and deck machinery related technology, to create an internationally renowned, domestic rudder and deck machinery of the first enterprise.