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How to control the quality of the forged rivetless chain in production ?

How to control the quality of the forged rivetless chain in production ?
Update Time:2017-08-22
Usually,our quality control procedures include the following:

1,Raw material analysis and check steel suppliers certificate.
2,Regular dimensional checking every stage
3,Pitch tolerance checking every 10FT.
4,Hardness checking are carried out 5 parts by 1 furnace time.                                      
We also follow others requirement if customer asking    
                                                                                                                                                                                                                                                         

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