The company address is No. 2, Longshui Road, Economic Developing Area, Shandong province.Absorbed in the fastening a great deal of bolts solution project of the assembling modern industry.The Chunlong Brand Electronic Fastening Tool is the competitive products of the company. It adopt PLC or singlechip machine to control. It's advantages are high accuracy and speed.It can be used in fastening the bolt of production lines, such as car, truck, engine, motor vehicles, tractor and motorcycle etc.Especially can be applied extensively for the fastening working position of the engine air cylinder cover which has high precision of torsion, connecting lever fastening working position, chassis gear-box fastening working position, wheel fastening working position, screwing working position of wheel, U blot in front and rear axle and compensating gear ext.The design of shifting device for power take-off, which has obtained a national patent, is especially suitable for the mixed assemble line of small batch and various automobiles. The technique of shifting and self- adaptation has been chosen as national key product by the State Ministry of Science and Technology in 2003.Furthermore, the individual design and development could be provided according to the different needs from customs.

The other products we researching are electric single-axis screwing tools of fixed torque, pneumatic tools of fixed torque and hydraulic pulse tools and so on. We have been seeking the better quality assiduously and have been innovating continuously for further development.

    The research and development centre has independent laboratory room and laboratory shop and other test equipment, using computer to design the soft of mechanism and circuit.We have many exports and technical staffs from Tsing-Hua University, Shandong science and engineering University and other well-know Universities.It has gained great public praise after put the intelligent electric bolt screwing machine of Chunlong on market with that good quality, variety of specification, unique technique, and reasonable price.Our products have taken a stable operation in hundreds of work lines from users, such as the First Automobile Factory of Changchun, Dongfeng Auto corporation, Chongqing Automobile Group and so on.