ZLJ-650 underground drilling rig coal pit stabilization driiling

Vivienne Chongqing Gold Mechanical & Electrical Equipment Co., Ltd. Email: [email protected] Mobile / Whatsapp:+86-15123029803 Fax:+86-23-62940030 Skype:viviennecq [Drilling Rig | Geological | Prospecting | Welllogger | BoreholeCamera | Inclinometer] Product Description ZLJ-650EXPLOSION-PROOF DRILLING MACHINE is developed specially for drilling in tunnel of coal mining based on our spindle type of core drilling rig, it is mainly suitable for drilling with tungsten