fire window

	◎	fire retarding doors for ship	◎	A class fire retarding doors A - 60 A - 30 A - 0	◎	B class fire retarding doors B - 15 B - 0	◎	weather tight door aluminum sashes doors stainless steel sashes doos
	◎	sound proof doors	◎	gastight doors	◎	fire windows for ship A - 60 A - 0

◎steel sashe for buildings

◎aluminum sashe

◎vapor phase equipment