Shanghai Tool Research Institute   

Shanghai City Tool Industry Research Institute is the domestic hardware industry's oldest, largest, the only comprehensive tools hardware research institutions set standards, intelligence, detection and hardware tools research and development design manufacture, sales and after sale service in one of the. The preset torque wrench is I began in 1989, is China's first research and development design, manufacture of hardware tools, to fill the gaps in the domestic industry of tool of torque measurement tool, in 1990 won the national new product award. According to the national standard GB/T15729, JJG707 requirements and ISO6789, its own R & D and manufacturing a new TIRI, twisted PA NIUBA series products, the product can be widely used in aerospace, defense industry, heavy equipment, ships, railways, mines, engineering machinery, electrical instrument, automobile manufacture and repair center industry. Series of products with high precision, convenient use, good reliability and head can be flexibly replace features, and according to the special requirements of customers to develop special accessories.

Torque wrench