Sinorock

Sinorock

1 Follower
    Self-drilling Anchor Bolt: Tunneling Construction Process
    1:02
    Self-drilling Anchor Bolts Reinforce the Foundation Slope
    0:40
    Stabilize the high slope by self drilling rock bolt, so fast!
    1:11
    Self-drilling Rock Bolt Reinforces Slopes, So Easy!
    1:20
    Rock Bolts for Highway Slope Stability
    1:30