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

Bauer Rotary Drilling Rig and Yishan(Tianjin)Heavy Rotary Drilling Rig Which one is better? What is the difference between Bauer Rotary Drilling Rig and Yishan(Tianjin)Heavy Rotary Drilling Rig which is of good quality, the editor learned through comparative analysis Bauer BG 38 BS 80 ValueLine,Bauer BG 30 BT 80 ValueLine,Bauer BG 26 BT 70 ValueLine,Bauer BG 20 H BT 50 ValueLine,Bauer BG 15 H BT 50 ValueLine,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 Bauer Rotary Drilling Rig and Yishan(Tianjin)Heavy Rotary Drilling Rig Which is better, please pay attention to global-ce.