Date: 2013-07-31

The Steel Ball Auto-Sorting Machine from China North Industries Group Corporation Jilin Jiangbei Machinery Manufacturing Co., Ltd was Authorized by China

Recently, "steel ball auto-sorting machine" patent which was applied by China North Industries Group Corporation Jilin Jiangbei Machinery Manufacturing Co., Ltd has passed the investigation made by the State Intellectual Property Office, meanwhile it has won the national invention patent.

The hardness of the steel ball is one of the key technical indicators for the steel ball quality, and in the national standard GB/T308-2002

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Product Model	Inside Diameter	Outside Diameter	Thickness
7208B.JP bearing	40	80	18
7008B.2RS.TVP bearing	40	68	15

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