Hluav Taws Qhov Rooj Ncej Hom

Mar 25, 2019 Tso lus

Rau hom ncej, tau khob hom ncej thiab welded ncej. Rau kev khob cov ncej muaj 3 daim (tawm tsam jamb, khawm jamb, thiab header) yuav tsum tau weld lawv ua ke thaum installation. Rau welded thav duab, Hoobkas welded lawv zoo ua ntej xa khoom.