WREN, established in 1992, is one of the most professional manufacturers of high pressure hydraulic(70-350Mpa) tools.WREN is working on developing the highest quality industrial bolting system, making industrial bolting safer and simpler. 

WREN focuses on high level quality and safety, make its own design of hydraulic torque wrenches, pumps, hydraulic cylinders, bolt-tensioners,which are widely used in steel, shipbuilding, power station, petroleum, chemical and other engineering industries.WREN also has distributors in North America, South East Asia, Europe, South Africa, Korea, Australia. Besides hydraulic torque wrenches,Wren is also able to manufacture other products to meet all customer's requirements. 

Our company has 18, 000 square meters factory and office in HangZhou, which is 160km away from Shanghai, and have more than 260 staffs. Now, we alreaday have distributors in American, Japan, Germany, Australia and Russia. We have OEM customer at many other countries in the world.