The main products consist of diesel engine parts such as connecting rod bolt, main bearing bolt, cylinder head bolt, flywheel bolt, bar, lifter, rocker shaft, balance shaft, piston pin, etc.; automobile wheel bolt, U-bolt; high strength bolt connecting sets in steel structures; as well as various special shaped fasteners and stainless steel fasteners. Threads can be machined up to 320mm diameter. Our products are widely applied in the field of diesel engine, automobile, construction machinery, building machinery, railway, machine tools, petrol-chemical, electric power or steel structure industry, which are also very popular in European and American countries.