high end precision radial ball bearings. starndard or customized ball bearings manufacturer. Material:Steel or Stainless steel Serie/6800/6900 Low noisy, durable life, short lead time, R&D service,various size avaiable IATF16949ï¼ISO14001ï¼OHSAS18001 compliance company. RoHS,Reach compliance material. Incoming material inspection, 100% equipment automatic inspection, random inspection, finished product inspection, and warehouse inspection. 1000 sets of various testing equipment. Strictly implement the IATF16949 quality control system.