Chinese brand down-the-hole drill factory address

Jiucaiyuan road, Furong District, Changsha, Hunan,China Worktime: 9:00-6:00 (Beijing time) Business Phone : 86-731-85551632 (Working time) 86-731-85551632 (Nonworking time) FAX : 86-731-85551635 Email : [email protected] View More >> [pdf]

How to use a Chinese handheld rock drill

When using a hand held rock drill, it's important to follow the manufacturer's instructions carefully. This includes using the right drill bit for the type of rock you're working with, as well as following the recommended drilling speed and pressure. [pdf]

Engineering vehicles excavators and drilling rigs

Articulated haulers function as heavy-duty dump trucks that move large amounts of materials around or off construction sites. Articulated haulers differ from other types of dump trucks because they feature a pivo. [pdf]