Shanghai Primo Tools Co., Ltd is a professional manufacturer of bolting tools

including hydraulic torque wrenches, hydraulic pumps, hydraulic bolt tensioners

and ultra-high pressure pump etc., ISO9001:2008 and CE Certified. The application

involves oil and gas, refinery, petroleum, chemical, power station, steel, shipbuilding,

railway, heavy machinery and engineering construction industries.

The company has a strong technical team, develop various bolting tools with patents

and know-how. Dozens of CNC machine tools in 10000 square meters of factory

buildings can quickly manufacture all products which are subject to strict quality

control and testing from material to processing to ex-factory.