The Hangzhou Tianmushan Tunnel (under construction by Tunnel Co., Ltd.) is 1700 meters long, with no replacement of any cutting tools throughout the entire process (all Tianyou cutting tools), and it has been smoothly pushed through to ensure the smooth c

Position:Cutter head . Size:design or according to drawings . TC Welding type: Silver welding/brazing. Soil type: Soft

Material:G1 , G2 or appointedCutter ring: 1 ringsRock type: All rockCutter ring type: Sharp/TCI/FlatColor:

Material:G1. Cutter ring: 2rings. Rock type: All rock. Cutter ring type: Sharp. Color: blue. Bearing:Timkem.

Material: G2 . Cutter ring: 2rings. Rock type: All rock. Cutter ring type: TCI. Color: Customize. Bearing:Timkem,SKF.

Material: Appointed. Cutter ring: 3rings. Rock type: All rock. Cutter ring type: Flat. Color: Yellow or black.

Material:G1 , G2 or appointed. Rock type: All rock. Color: Silver. Cutter ring type: Sharp/TCI/Flat.