Focusing on the research and development of hydraulic tools, wind turbine blade embedded bolt sleeves and bolt manufacturing experts are based in China and serve the global market. We specialize in producing high-quality products such as ultra-high pressure hydraulic pumps, hydraulic torque wrenches, hydraulic wrench pumps, hydraulic jacks, bolt tensioners, wind turbine hydraulic tensioners, electric hydraulic tensioner pumps, and jack hydraulic pumps. Ningbo Saiweisi Machinery Co., Ltd. is located in Ningbo, an international port city on the eastern coast of China. It is a high-tech enterprise dedicated to technological innovation, product research and development, and solutions. The company was founded in 2002 and has been focusing on the research and development of ultra-high pressure tools. The company has successively developed various types of ultra-high pressure hydraulic pumps, hydraulic wrenches, hydraulic jacks, hydraulic pneumatic pumps, hydraulic bolt tensioners, wind turbine hydraulic tensioners, wind turbine hydraulic torque wrenches, bolt tensioner special pumps, hydraulic bolt tensioners, bolt tensioners, electric hydraulic tensioner pumps, hydraulic synchronous lifting systems, hydraulic wrench special pumps, hydraulic wrench pumps, hydraulic torque wrenches, jack hydraulic pumps, electric hydraulic pumps, PLC synchronous lifting systems. Hydraulic equipment such as ship transport hydraulic walking systems. The existing office and production space is 20000 square meters, with a building area of 38000 square meters and 300 employees. The production, inspection, measurement, and testing equipment are advanced and complete. Saiweisi Machinery not only focuses on the research and development of ultra-high pressure hydraulic tools, but also specializes in the manufacturing of embedded bolt sleeves and bolts for wind turbine blades, providing customers with complete hydraulic drive system solutions and striving to become a global supplier of wind turbine shaft sleeves. We have imported advanced CNC machining equipment, high-quality technical workers, and strict quality management to create world-class professional products. Saiweisi has established and possesses a comprehensive quality management system, which has passed TS16949, ISO9001 quality management system, ISO14000 environmental management system, OHSAS18001 safety management system and CE certification. It has won the favor of domestic and foreign hydraulic tool and wind turbine blade host manufacturers, providing excellent services with first-class quality. Since its development, the company has adhered to the principle of "leading technology and technological innovation", and has successively won honors such as "Zhejiang Province Patent Demonstration Enterprise", "Ningbo Export Famous Brand Enterprise", "Provincial Hydraulic R&D Technology Center", and "Ningbo Famous Brand". The products have been exported to various parts of the world, with distributors spread all over the world and branch offices established in North America. The products are widely used in shipbuilding engineering, petroleum, chemical, wind power, hydropower, thermal power, mining, heavy industry, bridge industry construction and maintenance. Saiweisi has professional sales engineers and technicians who can help customers choose the best solution and select the most suitable product according to their working conditions. Since its establishment, the company has always adhered to the mission of "striving to be a leader in the industry", and "win-win cooperation", "collaborative innovation", "quality first", and "customer first" are the core values upheld by the company. Motivated by our corporate mission and values, we strive to provide high-quality services to all our customers and distributors. With the corporate values of "responsibility, gratitude, hard work, and win-win", we are constantly interpreting the wonderful legends of China's hydraulic tools and wind power industry! Through technological innovation to safeguard hydraulic safety and secure wind power connections, we strive for a win-win situation and harmonious development. We create value for customers, opportunities for employees, and benefits for society, becoming a world leading manufacturer of hydraulic tools and bolt fastening systems. We specialize in producing high-quality products such as hydraulic wrenches, hydraulic jacks, hydraulic pneumatic pumps, hydraulic bolt tensioners, wind turbine hydraulic tensioner pumps, wind turbine hydraulic torque wrenches, bolt tensioner specialized pumps, hydraulic bolt tensioners, and bolt tensioners.