专业从事于：深沟球轴承,,法兰轴承,,薄壁轴承,,汽车轴承

wuxi beitong machinery & equipment co., ltd (btb) has been the experienced supplier of full range standard and customized bearings and mechanical parts for more than 10 years, now btb has owned several manufacturing bases which produce miniature ball bearings, small size deep groove bearings, customized bearings, etc.