Parallel Twin-Screw
Place of Origin: |
Zhejiang, China (Mainland) |
Product Detail
Material: Alloy-steel of High-Quality
Material: Alloy-steel of High-Quality
1)38 CrMoAIA(JIS SACM645)
2)42CrMo(AISI 4140)
3)9Gr18Mov Heat-treatment Nitriding treatment Electoplated hard-chorme finish Spray coating Bimetallic -alloy.
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