With the opening ceremony of FIFA Qatar 2022, all the fans from the world become more and more excited, it a pity our football team absent, but made in China and other chinese elements are never absent.

let's continue our visist to Bauam

Polymer mud is widely used in bored piles/drilled shafts and diaphragm walls to stabilize the excavations prior to concrete placement

Usually we use MPa to descrip rock harness, following is the table for different rocks with roughly hardness