China's first rotating shield plug bearing made

Wazhou industrial area currently under construction in full swing, the third joint workshop of the main project has been completed by the end of this year will reach capacity; second joint workshop civil foundation work is in progress. The new area of ​​Wazhou Indust

Repair of slewing bearing raceway and ring gear

The construction machinery back to the support due to the material pores or interlayers, the hardness of the hardened layer of the raceway, uneven thickness and other manufacturing quality problems or some external causes, causing the hardened layer of the raceway to peel off or t