NSI B16.5 Railway Spare Parts , Steel Forged Flange DN15 DN600 Size
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NSI B16.5 Railway Spare Parts , Steel Forged Flange DN15 DN600 Size The full name of die forging is model forging, which is formed by placing the heated billet in a forging die fixed on the die forging equipment. 1. Basic process of die forging Die forging......
Maanshan Kingrail Technology Co.,Ltd.
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