Desc:Product DescriptionAccording to rock formations and other requirements, WONTECH can tailor adrill bit design on bit face shape, shape and distribution...
Desc:Thread drill extension rod made of coal mining alloy high hardness 1.Our thread drill rods are made of high-intensity alloy steel imported from Sweden...
Desc:Thread drill extension rod made of coal mining alloy high hardness 1.Our thread drill rods are made of high-intensity alloy steel imported from Sweden...
Desc:PIPE SHOT BLASTING MACHINEQGW the steel pipe outer wall shot cleaning machinesThe machine applicable to the steel tube and pipe products deal with int...