gearchamber
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Material:ductile ironT ,QT Stainless steel alloy steel
2.Standard:ANSI,GB,BS,DIN
3.Processing:Investment casting
4.ISO9000
Material:ductile ironT ,QT Stainless steel alloy steel
2.Standard:ANSI,GB,BS,DIN
3.Processing:Investment casting
4.ISO9000