Rotary Drilling Rig 1. Max. Drilling Torque: 230 kN.m 2. Max. Drilling Diameter: 2m 3. Max. Drilling Depth: 60m-70m HDR230 Rotary Drilling Rig TLS (Iron Giant ... , simple-type, commercial-type), Concrete Truck Mixers (6-16m3), Truck-mounted Concrete Pumps (diesel, electric), Trailer-mountedConcrete Pumps (diesel, electric),Concrete ...