Hubei Xianning Sanhe Mechanical and Electrical Co., Ltd. was established in 1965 and was restructured from a state-owned enterprise. It has now developed into a production of transmission machinery, hydraulic machinery and lifting machinery products, integrating scientific research and development, design and manufacturing, product sales, A comprehensive machinery manufacturing industrial enterprise integrating installation and maintenance services.

The company has professional mechanical product research and development, design, production and service capabilities. cutting-edge development, design, process technology strength; full-scale mechanical processing equipment for both special and special equipment; strong welding, forging, casting, heat treatment and surface treatment capabilities; modern physical and chemical, metrology, testing, and testing methods; standardized quality management and operation System; scientific modern enterprise management system and management methods; diversified marketing and service network combining traditional and contemporary. It has created a good brand and reputation for the company.

The company has nearly 50 years of production of water conservancy, hydropower starters and shutters and "three-in-one" reducers, with an annual design production capacity of 500 million yuan. The current leading products include: QPZS, QPZSG, QPZST (M), QHZS series new closed-type (multi-speed) winch opening and closing machines with capacity of 50-10000kN, 2×50-2×10000kN, QPZSG, QPZST (M), QHZS series new closed-type (multi-speed) winch opening and closing machines, QPQ, QPK, QPT, QPG and QHQ series fixed winch type starter, with a capacity of 63-10000kN, 2×63-2×10000kN hydraulic starter, with a capacity of 50-3200kN, 2× 50-2×3200kN series mobile opening and closing machines, 50-750kN, 2×50-2×750kN series screw opening and closing machines, various hydropower station gates, door machines, dirt cleaning machines, dirt barriers, etc. , widely used in water conservancy and hydropower projects such as reservoirs, power discharge and irrigation, hydropower stations, and water conservancy hubs; reducers include QS, QSC, QSE, QSK, QSR, and QSF series "three-in-one" reducers, CHC (D) series gears Continuous low-tooth difference (multi-speed) reducer, QJ, YQ, DCY, ZQA, YS, YSE series and other hard tooth surface, medium hard tooth surface reducer and other non-standard reducer, widely used in lifting and transportation, Metallurgical mining, railway port, forestry, national defense and other industries; special equipment products include bridge cranes and gantry cranes; other electromechanical products developed successively include ZXL brake load limit couplings, ZLYZ reel internal and external dual braking devices, KHC-I type ranging load speed measuring instrument, portable three-reducing three-fold shaft transmission bicycle, etc. The series of open and shutter products have obtained product use license issued by the Ministry of Water Resources, including "Winning Open and Closer" (GB/T 10597-2011) and "Hydraulic Open and Closer" (GB/T 14627-2011) countries. The standard is drafted by the company; the series of "three-in-one" reducer products have been awarded the first batch of product quality certification certificates issued by the National Quality Inspection Center, including "QS, QSC, QSE three-in-one reducer for cranes" (JB/T9003 -2004) and "CHC Gears Chain Reducer with Radiation" (JB/T11618-2013) are drafted by the company.

The company has won: high-tech enterprises, national science and technology-based small and medium-sized enterprises, national intellectual property advantage enterprises, China Machinery Industry Federation revitalizes equipment manufacturing industry star enterprises, Hubei Province specialized and specialized enterprises, Hubei Province innovative small and medium-sized enterprises, Hubei Province Information Various honors and awards such as pilot demonstration enterprises for integration of chemical and industrialization, provincial and ministerial science and technology progress awards (seven items).