Ball bearings are rolling a ball ball mounted inner and outer rims rims in the middle, can withstand greater loads. Also known as ball bearings.
2013年7月26日星期五
AQSIQ on the issuance of "national product quality supervision and inspection
work norms for the seizure" notice (QC supervisor letter
[2011] No. 89)
The relevant quality inspection agencies:
To further enhance product quality supervision and spot checks Bearing test machine inspection agency guidance and management, our company in the original "on product quality
National supervision work of the relevant requirements "(2006), based on the modified formulation of the" national product quality supervision and spot checks
Bearing inspection agency work norms "is issued implementation.
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