double hoists set, large module, hyperboloid turntable, large torque, so it is easy to operate. FGSL-600 engineering and water-well drilling rig adopts large gantry frame whose up and down is controlled by mechanical system, double hoists set, large module, hyperboloid turntable, large torque, so it is easy to operate. FGSL-600 type drilling rig is used in construction of high-rise building, ...