ZWZ focuses on the bearing industry and highlight core technologies. In the first half of this year, Wazhou Group completed 53 patent applications, including 27 invention patents; 20 patents were granted, including 2 invention patents and 18 utility model patents. These patents are constantly replenishing the shortcomings of bearing R&D and manufacturing, and are “strong and strong” for the high-quality development of the company.

The invention patent authorization including:
Bearing comprehensive raceway measuring instrument
Bearing sealing ring sealing performance testing machine.

Utility model patent including:
A tapered roller bearing with outer ring and rib
An improved tapered roller bearing, a four-point contact ball slewing bearing
A bearing outer diameter with a locking jaw
A double row shaped self-aligning roller bearing for a wind power spindle
One Cylindrical roller bearing with with M-type retention frame structure
A sealed shaft and radial combined bearing
A variable-travel train axle box positioning special inner ring bearing
A double-row tapered bearing in T-type sealing structure
A bearing inner ring shaft Jump to the circle detection device

About ZWZ

ZWZ Group, the backbone of China’s bearing industry, has always been leading the industry trends. ZWZ has firstly developed bearings for heavy truck, railway wagon,railway coach, railway locomotive, metallurgical mill, machine tool spindle, automotive wheel and wind turbine.

Through over half a century with winds and rains, starting as a company that produced bearing parts and and bearing equipment, ZWZ has gradually developed into a modern enterprise which mainly produces bearings for major technical equipment and became the biggest manufacturing and sales base of bearings in China.

ZWZ has made great contribution to development of national bearing industry and was awarded as National Service Enterprise by society and was called “China’s bearing hometown”by Party and state leaders.

More information, visit http://www.zwz-bearing.com