Concrete pump truck boom clamping block accessories, precision cast steel forging, with built-in spline hole design, split open structure, secure clamping and not easy to loosen. Special wear-resistant material is quenched and treated, impact-resistant and high-pressure wear-resistant, compatible with mainstream pump truck models such as Sany and XCMG, with longer service life under long-term high-intensity pumping conditions, easy to install, and can directly replace original part
