Water injection hole packer for coal seam ZF-II
Grouting plug
Expansion rubber hose for coal mine
Capsule hole packer - II
Screw-type quick hole packer Ⅱ
Advancing type self-sealing hole packer
.jpg "Water injection hole packer for coal seam ZF-II")
.jpg "Expansion rubber hose for coal mine")
.jpg "Capsule hole packer - II")
.jpg "Advancing type self-sealing hole packer")