◆         Product characteristic：

TLZ-250B type engineering drilling rig with self-propelled four-wheel-drive vehicle, except with TLZ-150 advantages of water-drilling rig, there are scum of larger, footage quickly and with positive and negative cycle of pumping systems, stability, working hours holds a long time etc, deeply complex geological areas of construction are welcome.

◆         Component:

Main drive drilling rig、Gear box、Winch Group、Sludge pump、Gravel pump、Boring tower、Generators

◆         Main use:

Apply to industrial, agricultural, drilling deep wells, building foundation, bridge foundation, oil casing, high-voltage lines piles, wind power at the end of piles, geology mines, ports, dams and other types of foundation excavation.