DN600-DN2500
ISO9001, Kinds of Patent Certificates
500-800 sets per month
5-8 days, based on the quantity
Wrapped with plastic film, fixed with iron support, wheel or pallet when necessary
Rock drilling bucket
Foundation bored pile drilling
Gravel layer, Pebble layer, strongly weathered, moderately weathered rock layer
Kelly box, wall thickness, height of the barrel, bottom plate thickness
Golden or customized
Online support,Video technical support,Overseas third-party support available
Usually within one week
Flat Teeth, Bullet Teeth