Sijhawm: 20 Lub Kaum Hli, 2016
Qhov chaw: Charlottetown, Canada
Hauv qhov kev ua lag luam no, peb tsis yog tsuas yog nthuav tawm cov khoom siv ceramics uas tau siv dav hauv txhua yam ntawm boilers thiab furnaces; peb kuj tseem nthuav qhia peb cov cib refractory rau qhov cub thiab qhov cub hluav taws kub, thiab peb lub tswv yim tshiab ntawm lub tsev rwb thaiv tsev.
Post lub sij hawm: May-20-2021
