A variety of surface treatment processes can be used to modify the color of steel fire doors. For example, PVC coating technology or electrostatic powder spraying technology can be used to coat the steel plate surface with a layer of wood grain to show the warmth of wood fire doors.

ປະຕູຫນ້າເຫຼັກ,fireproof door with glass,wooden fire rated door,fireproof door for house,ແຖບປະທັບຕາປະຕູກັນໄຟ,ປະເພດໄຟໄຫມ້ປະຕູການຄ້າ,ປະຕູໄຟ bd,

fire rated door with louvre,fire resistant doors for flats,ແຖບປະທັບຕາປະຕູກັນໄຟ,ປະຕູເລື່ອນໂລຫະ,ປະຕູໄຟ bd,ປະ​ຕູ​ຄວາມ​ປອດ​ໄພ​ຂອງ​ໂລ​ຫະ​,steel front door,

steel vs fiberglass door,ແຖບປະທັບຕາປະຕູ fireproof,fire exit door,ປະຕູໄຟ bd,ປັດໄຈຄວາມກວ້າງຂອງປະຕູອອກ,steel front door,ລາຄາປະຕູທາງອອກ