In the 2nd century BC, China has used manpower and used bamboo bow elastic force to make the cone drill bit impact the ground to drill. Later, it was used in rural China for a long time. It was not...
How to use rock drill
Rock drill is a simple, light and economical excavation machinery, widely used in road construction, infrastructure construction, mining and other industries. It is an importa...
1. Operate pneumatic rock drills workers,Before going down the well must wear good personal labor protection equipment.
2. Arriving at the workplace, first check the processing, knocking on the ro...
When the crawler drilling rig is constructed on a site with soft soil, the crawler and the rail link are easy to adhere to the soil. Therefore, the crawler should be adjusted slightly loose to prev...
On the morning of August 23, the State Council Information Office held a press conference. Minister of Commerce Wang Wentao, Vice Minister and Deputy Representative of International Trade Negotiati...
TCA-7(G7) air picks are widely used in crushing operations in construction, coal mining,infrastructure development and other fields. Air pick TCA-7(G7) has mature technology is durable, lightweight...