... 4.Caster OEM are welcome. About the RFQ:Caster wheel part 1.Product Introduction (1)Medical Caster Wheel Parts(2) ... customers2).Equipments CNC Lathes, CNC Hardening Machine, CNC Milling Rig, Double-end CNC Lathe, Grinding Machine etc. 3.Inspection Equipments Profile Projector ... Tester, Vickers Hardness Tester, Roughness Tester, Salt Spray Test Machine, Micrometers etc. About our zhongtian factory