Yixing Boyu Electric Power Machinery Co.,Ltd is one of the best 2x70kn hydraulic tensioner manufacturers equipped with professional Boyu 2x70kn hydraulic tensioner, 2x70kn tensioner factory. Quick Details Place of Origin: Jiangsu, China (Mainland) Brand Name: Boyu Model Number: TY2x70- 52 Type: Hydraulic tensioner OEM Service offered: ISO9001 http://www.boyu-stringingequipment.com