Gcr15 seamless steel pipe prices fell significantly, affected by supply and demand, production costs, global economic growth and trade forms. Businesses should adjust their strategies, governments should strengthen supervision, and consumers should plan their purchases rationally.

The mechanism of bolt support includes arch reinforcement, suspension, composite beam, surrounding rock reinforcement and span reduction. Bolt support is a kind of reinforcement and support method used in surface engineering such as slope, rock and soil deep foundation pit and underground cavity con

R thread Self Drilling Anchor BarsHollow anchor bar is the body of a self-drilling anchor, as a hollow steel tube with an outer round thread, hollow anchor has the sacrificial anchor bit connected at one side, plate and nut connected at the other; two hollow anchor bars could be connected together v

Self-Drilling Anchors (SDAs) are hollow rockbolts which serve as both the drill string during drilling of a support hole, and as the support tendon once grouted into place. A single use drill bit, selected to suit the ground condition, is fitted to the leading end of the SDA with a plate and nut fit

With the continuous development of global trade, LiaWith the continuous development of global trade, Liaong has emerged as a significant Shandong has emerged as a significant base for steel pipe production and export worldwide, attracting the attention of numerous international buyers. Recently, a b