Relying on Nanjing University of Technology for technology,Committed to a variety of large diameter special fasteners, special seals R & D, manufacturing and services.Production, inspection, testing are used at home and abroad high-end advanced equipment.The company has a number of invention patent and core technology, the product can effectively solve the failure problem of bolt connection, widely used in petrochemical, coal chemical, nuclear power, wind power, thermal power generation, mining, steel rolling, forging, marine and other industries.Management and R & D team has more than professors, doctors, senior engineers, graduate and other senior professionals. Company is the base of special fastener research and industrial manufacturing base. We use leading technology, professional spirit to provide customers with safe, reliable, durable, simple and economical bolt connection program.