Company History

Spring Hanger of YS-HN.  Patent No: M569386 

Spring Hanger of YS-HNS. Patent No: M579227

Portable Air Jacks.     New Patent of China No:69410187

Constructure of Air Jack. Patent No:M548165/ New Patent of China No: 7133205

Constructure of Portable Air Jacks.    Patent No:M537049 + M540211

Constructure of YS-BN & YS-BNS Spring Mount. Patent No:M517274 & M517273

Launch air Jacks of YS-280-2V. Patented.  

Develop a series of air sleeves for modified car

Launched levelling Base for air cooling tower. Patented.

Developed heavy-Loadind spring mount 

Develop small and light vibration mount.

Develop leak-proof and oil-pressure composite vibration isolators.

Launche YS-AG Seismic Mounts & Restrains Springs Mounts.

Launch YS-AG Seismic Mounts & Restrains Springs Mounts.

YS-JA and YS-HPA Air Mounts Launched. 

YS-CA Spring Mounts Launched.

 Certified to ISO 9002

YS-EAE Air Mounts Launched. 

YS-EAE Air Mounts Launched. 

YS-SS Rubber Mounts Launched. 

YS-SRB Rubber and Spring Compound Vibration Isolators Launched.

YS-V Air Springs Launched. 

Rubber Mounts start to manufacture

A series of Spring Mounts Manufactured

YS-K Air mounts Launched

YS-FLEX Rubber Joints Developed