Shandong China Coal Group Drilling Machine Branch

The sound of the pneumatic rock drill blows, combined with the explosive air exhaust, makes pneumatic rock drill dangerously loud, emitting 100 decibels at two meters. Sound-blocking earmuffs must be

Pneumatic Rock Drill or air leg rock drill is one of the toughest and difficult to manage tools used in the construction industry to demolish old concrete. The pneumatic rock drill itself is really he

The rock drill machine''s work adhere to the principle of impact crushing. When the high frequency piston reciprocating motion, continue to impact drill tail. The impact force under the action of a wed

China Coal Group Invited to Shandong Province Economy and Information Technology Commission Adjudication Meeting of Focusing on Cultivating the E Commerce Platform

Group E-commerce Development Achievements Key Reported by Qilu Evening News

Kyrgyzstan merchants visited Shandong China Coal Industrial Park for YT27 air leg rock drill purchasing . Deputy general manager of Group cross-border e-commerce company Tian Cong warmly received the