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Sanyo Tube Industry Co., Ltd.

Quality Control 
Our products is produced basis on FIFO (First-in First-out), and the quality is strictly controlled during all the processes.

 

Raw Material Check

 

NDT Test

Chemical Analysis

 

Dimension Test

Exam during process

 

Surface Examination

Mechanical Properties Test

 

Test before Shipment

 

 

 

 

 

 

 

 

 

 

 





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