Shanghai Primo Tools Co., Ltd is a professional manufacturer of bolting tools, which includes hydraulic torque wrenches, hydraulic pumps, hydraulic bolt tensioners, ultra-high pressure pumps. Thus, our products are currently operated in many other industries, such as oil and gas, refinery, petroleum, chemical, power station, steel, shipbuilding, railway, heavy machinery, and engineering construction.Our team members are experienced with various bolting tools and machineries. Currently, dozens of CNC equipment are in our 10,000 square meters factory buildings, and can quickly assemble all products, which is based on our high-quality control and testing from material processing through ex-factory. In addition, all of our products are ISO9001:2008, CE Certified, and with patents. Our company is located in Shanghai, the economic hub of China, and Shanghai has been famously the main entry point of international trade with the world for over 200 years.We’ve always served our customers with sincere, motivation, and convenience.