Nws yog ib hom AMPS polymer raws li retarder.Nws tuaj yeem ncua lub sijhawm thickening ntawm cov cement slurry nrog kev ua haujlwm zoo.Nws tuaj yeem nqa qhov nkhaus nkhaus zoo nrog lub kaum sab xis thiab tsis muaj kev cuam tshuam rau kev txhim kho lub zog.
Post lub sij hawm: Aug-06-2019