... 2.zinc plated 3.ISO9001-2008 4.OEM 2013 Bearing Adapter Sleeves for machinery parts Haiyan Hongtai Metal Products Co.,Ltd ... -dip galvanized3) machining Process: Stamping , turning,tube bending, welding, milling, CNC latheā¦4) usage of products: Furniture fitting, construction hardware , telecom ... -13646737163Tel :86-0573-86887878 Fax :86-0573-86887758 2013 Bearing Adapter Sleeves for machinery parts