SHANDONG HENGWANG GROUP
We are a factory which specializes in Power Tool , manufacturing and selling Power tool . Power tool mainly including the Demolition Hammer , Rotary Hammer , Angle Grinder , Tamping Machine and air pick .
Demolition hammer mainly do the breaking , cutting , digging , grooving and cutting for For concrete , masonry structure , asphalt pavement .
Rotary hammer based on the principle of piston movement , Compressed gas impinges on the Drill Bit and does not require much effort . You can open 6-100mm hole in concrete , brick , stone and other hard materials . but it cannot open holes in metal.