bout JHJX:JHJX Machinery Manufacturing Co.Ltd was established in 1991 specialized in manufacturing hydraulic torque wrench, bolt tensioner,electric/pneumatic torque wrench, transducer, calibration system 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… Show more bout JHJX:JHJX Machinery Manufacturing Co.Ltd was established in 1991 specialized in manufacturing hydraulic torque wrench, bolt tensioner,electric/pneumatic torque wrench, transducer, calibration system 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.The capacity of the hydraulic/electric/pneumatic torque wrench 10,000 piece/year Show less

JHJX Machinery Manufacturing Co.Ltd international market management