Peb tsuas yog tsim cov roj zoo cementing thiab drilling additives, xws li kev tswj tsis tau dej, retarder, dispersant, anti-gas migration, deformer, spacer, flushing kua thiab lwm yam.
Yog lawm, peb tuaj yeem muab cov qauv dawb.
Yog lawm, peb tuaj yeem muab koj cov khoom raws li koj qhov yuav tsum tau ua.
North America, Asia, Europe thiab lwm thaj chaw.