http://www.sdcdbearing.com/ BRAND: SDCD we are bearing manufacture from china ,can supply bearings brands. MATERIAL: GCr15SiMn, GCr15, G20Cr2Ni4A PRECISION TYPE: P0, P2, P4, P5, P6, SEAL TYPE: Open and Seal,Z,RZ,RS,2RS,2RZ,N CERTIFICATE: ISO9001:2000 Standard SERVICE: OEM, Our company has been in the line of bearing for many years, having professional technical directors and sales, and years of bearing export experience. We have a professional and team-work team. We sincerely want to cooperate with buyers all over the world. Welcome friends come to our company for a visit.