Sunward Rotary Drilling Rig vs Yishan(Tianjin)Heavy Rotary Drilling Rig which is better

Sunward Rotary Drilling Rig and Yishan(Tianjin)Heavy Rotary Drilling Rig Which one is better? What is the difference between Sunward Rotary Drilling Rig and Yishan(Tianjin)Heavy Rotary Drilling Rig which is of good quality, the editor learned through comparative analysis Sunward SWDM300H Large multifunctional rotary drilling rig,Sunward SWDM40 Small multifunctional rotary drilling rig,Sunward SWDM60 Small multifunctional rotary drilling rig,Sunward SWDM80 Small multifunctional rotary drilling rig,Sunward SWDM130 Small multifunctional rotary drilling rig,XRS1050 Rotary drilling rig,XRS680 Rotary drilling rig,XR400D Rotary drilling rig,XR320D Rotary drilling rig,XR260D Rotary drilling rig performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand Sunward Rotary Drilling Rig and Yishan(Tianjin)Heavy Rotary Drilling Rig Which is better, please pay attention to global-ce.