Dongfeng 4×4 100m Drilling Rig Truck – Reliable & Efficient Solution for Geotechnical and Water Well Exploration The Dongfeng 4×4 100m Drilling Rig Truck is a versatile and robust solution designed for medium-depth drilling operations. Built for mobility and performance, this rig integrates seamlessly with a high-performance commercial truck chassis (such as Dongfeng Commercial Vehicle Co., Ltd. or Guangxi Yuchai …