- JHJX Machinery Manufacturing Co.Ltd -
JHJX Machinery Manufacturing Co.Ltd was established in 1992 specialized in manufacturing hydraulic torque wrench, bolt tensioner,electric torque wrench and electric hydraulic pump. JHJX working with advanced CNC machining equipment focus on large bolts and nuts tightened, unpacking technology and power hydraulic practical research. JHJX products are widely used in mines, power plants(wind power, hydropower, thermal power, nuclear power) metallurgy, aerospace, shipbuilding, petroleum, chemical, railway, machinery manufacturing and other industries all over the world. JHJX is committed to providing customized bolts, nuts, solutions and full , complete techinical support services. Our company has a factory and office covering 15,000 square meters in Ma An Shan city which is 300 km away from ShangHai and has staff over 150. We have OEM customers worldwide. JHJX not seek for best, only better.1994-1999: Precision tools machining, OEM for Honda automobile spare parts.2000: Successfully applied patent of hydraulic torque wrench: JHB hydraulic torque wrench model. This patent was listed on State Intellectual Property Office of the People's Republic of China (SIPO).2001: Successfully innovative another three kinds of hydraulic torque wrench model: JHM square drive torque wrench, JHX hydraulic torque wrench(Hollow wrench), JHK ultra-thin hydraulic torque wrench. Bolt tensioner and hydraulic cylinder.2008: JHJX finished researching on pneumatic pump. In, JHJX pneumatic pump enter in to market (Max pressure 160MPA).2010: Innovative traditional electric hydraulic pump.