... seals, shields, adaper sleeves, locknut2. Material: Chrome Steel, Stainless Steel, Carbon Steel, Ceramic, Brass, Bronze3. ISO 9001-2000 certificate, ... Changzhi, Shanxi Province with a pleasant climate, convenient transportation and easy access to information, is specializing in ... Kong. We currently are marketing and exporting bearings, steel balls, bearing retainers, semi- finished bearings, bearing ...