2952 upvc window mullion products are offered for sale by suppliers on Alibaba.com, of which plastic profiles accounts for 74%, others windows accounts for 1%, and casement windows accounts for 1%.
A wide variety of upvc window mullion options are available to you, such as free spare parts, onsite installation and onsite training.You can also choose from aluminum, stainless steel and pvc upvc window mullion,as well as from aluminum alloy, steel, and wood upvc window mullion, and whether upvc window mullion is folding, swing, or slide.