The conical twin-screw and barrel for exturde machine
Negotiable /Piece
Min.Order:100 Pieces
Taizhou City Roadbridge Sanhan Tools Manufacture Firm
Meterial:
Alloy-steel of High-Quality
1)38 CrMoAIA(JIS SACM645)
2)9Gr18Mov
Heat-treatment
Nitriding treatment
Spray coating Bimetallic -alloy