Recently, GuanTaoXian pledges inspect bureau of DU bushing preparation by product quality supervision and inspection offices provinces bearing successfully passed the provincial pledges inspect bureau is authorized, qualification authentication, Mould guide plate start throughout the province develop bearing and bearing parts of regular inspection and supervision, new product identification, the market supervision, quality inspection, the inspection plasic bushing and the arbitration entrusted business and services. plain bearing The ZhiJianZhan's put into use, for GuanTaoXian bigger and stronger bearing industry and to build a "China light industry bearing of the township" provide technical support. At the same time,brass bushing also for our province improve bearing the quality and grade of the products, and guide bearing processing enterprise go to promote efficiency, quality for development-oriented road to lay the foundation.