High quality produced by the consistent control system cooperative of Nippon Steel & Sumitomo Metal Cooperation

  In cooperation with Nippon Steel & Sumitomo Metal Corporation, we Hamanaka Chain Mfg.Co., Ltd.
established a series of unique chain production system from its raw material to the final products with highly consistent quality.
    

Bar Rolling

Profilemeter
Manufacturing Processes of Rolled Bar for Chain (Nippon Steel & Sumitomo Metal Corporation)

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Basic-Oxygen Furnace

Degassig

Continuous Casting

Ultrasonic Flaw Detector

Magnaflux Flaw Detector

 

 

Copyright 2002 Hamanaka Chain Mfg. Co., Ltd. all rights reserved.