Welcome to
Ningbo Rock Metal Product Co., Ltd.
Bearing Products
- We control the quality each process through ISO-9002 and guarantee to provide the best quality bearing products inclouding bearing protector & bearing isolators, sintered oil-bearings, miniature deep groove ball bearings, various special nonstandard stainless bearings and all-ceramic bearings (ZrO2, Si3N4, SiC, Al2O3,Carbon).
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