Jiujiang Zhongship Instrument Co., Ltd. (441 Plant) was established in 2006 with the approval of the former Commission of Science, Technology and Industry for National Defense. The company, formerly known as Jiujiang Instrument Factory, code name 441, belongs to China State Shipbuilding Corporation, which is a key military enterprise specializing in the production of ship navigation instruments built in the late 1950s. In April 2009, the company was restructured into a state-owned shareholding limited liability company. In October 2016, it was changed into other limited liability companies with state-owned shares. The company has three directly affiliated enterprises, namely: Ningbo zhongxing New material Technology Co., Ltd., Ningbo Instrumentation Technology Co., Ltd., Jiangxi Zhongxing stationery Co., Ltd.; Five branches, namely navigation branch, hydraulic branch, mechanical processing branch, Shangrao branch, Fenghua branch.

The company is located in Jiujiang City, Jiangxi Province, north of the Yangtze River, south of Lushan mountain, close to jingjiu, Wujiu, Hejiu, tongjiu railway and Changjiu, jiujing expressway, convenient transportation. The company has a land area of 178, 369 square meters and a plant area of 73, 630 square meters, with a beautiful environment. The company is a machine, electrical, hydraulic integration of product development, design capabilities and casting, welding, precision machining, electronic assembly and other comprehensive processing and manufacturing capabilities of enterprises. With advanced CNC machine tools and a variety of processing, testing, measurement and testing equipment

Ship navigation equipment and system represented by optical gyro compass, electric compass, laser strapdown inertial navigation system, inertial navigation calibration device and automatic steering instrument, precision hydraulic control system with electro-hydraulic servo valve of jet pipe as the core component, and environmental protection system represented by automatic monitoring of oily sewage. In the domestic ship automatic navigation, precision hydraulic automatic control, petrochemical and environmental protection and other fields occupy a very important position.

The company adheres to the development strategy of paying equal attention to both the military and the people, and the diversified development strategy and the quality policy of "make high-quality products, adhere to the quality first, strive for first-class, meet customer expectations", vigorously promotes scientific and technological innovation, constantly strengthens national defense awareness, and strives to develop and provide high-quality equipment in line with the military needs. At the same time give full play to the unique advantages of military technology, committed to the series of civilian products research and development. Among them, 1 scientific research achievements have won the first prize of National Major Technological Improvement Achievements, 6 have won the second prize of National/National Defense Science and Technology Progress and Important Scientific Research Achievements, 11 have won the third prize of National Science and Technology Progress, and a number of products have won national, provincial and ministerial important achievement awards. Stable quality and excellent service has won the trust and praise of the majority of users. The company will continue to adhere to the "quality first, customer first" business purpose, continue to do our best to provide new and old customers at home and abroad with quality products and excellent service, sincerely welcome friends at home and abroad to visit the company visit, guidance and cooperation.