Ningbo Instruments Mechanics Hydraulic Hydraulic torque wrench is powerful solution for high tensile bolt and nuts tightening and dismantling. The hydraulic torque wrench is ultimate tool in heavy duty work. Tarzan Instruments hydraulic torque wrench offers standard products up to 70,000 Nm, with bolt diameter size up to 125mm, and hexagon across flats up to 180mm. We have customized hydraulic torque wrench up to 160,000 Nm for the world’s biggest man made dam - The Three Gorge Dam on the Yangtze River.

Our torque wrench has been widely used in oil fields, refinery and petrochemical industry, power and hydropower plant, cement and construction, shipbuilding and repairs, mining and metallurgy, machine and equipments test and repairs.

Our customers including the most prominent corporation in China, such as China Petroleum, Sinopec, Baosteel, Jiangnan Shipyards, Conch Cement, China Metallurgical Group Corporation, and so on. The quality has been trusted by corporations and multinationals. Our products have been exported to North Ameica, South Ameica, Australia, and EU countries, quality is highly praised by our customers for reliability and durability.