2025-12-19
The "Heart" of Tricone Roller Bits: Three Core Bearing Types That Determine Drilling Efficiency
At oil and gas exploration and geological drilling sites, the roller cone bit is like a "steel beast" penetrating deep into the ground, and the bearing serves as the "heart" of this beast. It supports
2025-08-14
Unha nova opción de construción verde: como protexe o HDD o noso medio ambiente e as nosas comunidades?
Estás canso de que as estradas preto da túa casa sexan "excavadas" repetidamente? Preocúpache o aire poeirento e o ruído ensordecedor da construción? Na onda de renovación urbana e construción de infr















