Sep2019
Celebrate the 70th Anniversary of Founding of The People’s Republic of China on Oct., 1, 2019. With seventy years of precipitation,
Aug2019
The concave face of the DTH bit, as shown in the picture, is applied for all rock formations. It is specifically suitable for medium hard and homogenerous rock formations.
Aug2019
New shipment was delivered to the seaport yesterday. With great responsibility, we are gaining the heart of more and more customers from abroad.
Aug2019
Mainly used for mine drilling,wells,construction,oil and gas drilling
Aug2019
The DTH bits and related drilling tools supplied by Worldrill, must have experienced thoroughly tempered and severe hammering in order to be really durable.
Jul2019
As much as 90% of the land surface of the earth is covered with loose,unconsolidated material such as soil,clay,silt,sand
