The focus of the industry positioning

We focus on the production of 30 ° variable tooth type locknut and self-locking screw thread tools, makes every effort to completely and effectively solve the automobile, engineering machinery, railway and urban rail, port machinery and other industries and fields in the key parts of the loose problem.

Professional production equipment and testing equi

After our continuous development, has now become a 30 ° to varying tooth type locking screw technology production enterprise as the core of innovation. Company now has heat treatment, including nut tapping, threading tools (such as tap, gauge) production equipment and testing instruments, the full range of thread product research and development, production, testing equipment and instruments. At present in the application of variable tooth type locking screw products, manufacturing, testing and

Excellent nut locking technology

Shanghai Zhengao produces self-locking locknut and self-locking thread tool using the advanced locking technology, has reliable seismic locking performance. It without any auxiliary lock components such as spring washer, stop gaskets, etc.; To overcome the locknut soft materials such as aluminium alloy sliding tooth problem also has a significant effect; Is not only a nut locking performance is excellent, with 30 ° variable tooth type thread tap can also make the same locking performance of 30 °

ISO quality guarantee

in 2010 and 2010, our company respectively through the ISO9001:2000 quality system certification and TS16949:2002 quality system certification. 30 ° and companies become tooth type locknut also received a number of utility model patents, in 2011 the company"s "30 ° tooth type locknut" identified high-tech projects in Shanghai.

Mature and standardized operation system

Our company ERP system can effectively control the company internal product production planning and arrangement, the maximum play to production equipment production capacity, at the same time can also help you to control costs, reduce inventory. In the aspect of logistics distribution, we have a long-term cooperation relationship with several big logistics company, the goods in a timely manner to the customer provides a strong guarantee.

High quality after-sales service guarantee

For any question you in terms of technology, our technical staff will be the first time to the scene to guide the installation, on site installation environment is analyzed and the installation of debugging. We are committed to 100% to meet customer contract requirements, and provide the best quality service.