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We are a producer for high precision bicycle ball bearings,we also act as fag bearing supplier,the bearing fag is original Germany bearings.
The ABEC standard is a set of standards designed for the grading of tolerances used in the manufa...
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Tel: +86 150-9891-6271
Add: Room1203,E3,Mingquanchunxiao,Dikou Road,Tianqiao District,Jinan, Shandong province, China
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