| "Hua Wei" brand directed through the bentonite has good suspension, thixotropy, filtration a small amount of mud good performance, configuration, convenient features, have been a number of non-excavation and many other companies in West-East Gas through the practical application of engineering, and confirmed that "Hua Wei" brand directed through the bentonite is essential for a variety of non-excavation project an ideal base material¡£. |