Jc001.load('iframe') JIFrame.create({ 'url' : '/go.php?action=ads&iframeHeight=250&isIframe=1&key=%CD%BF%C1%CF&pos_id=jc001_news_detail_30&reqkey=1&style=margin%3A15px+15px+ 25px+0%3B+height%3A255px%3Bwidth%3A255px%3B+float%3Aleft%3B', 'height' : 250 })
Wear-resistant coatings are used on the top surface of the upper deck of the railway steel bridge, the upper deck slab and the box beam. It consists of 2 brown-yellow polyurethane primers (50 μm minimum thickness per dry film) and 4 ash polyurethane cover topcoats (40 μm minimum thickness per dry film). This coating system is characterized by good wear resistance.
Polyester Plisse Insect Screen,Pleated Insect Screen Yarn,Fiberglass Fly Net Roll,Waterproof Mesh Screen
wuqiang huihuang fiberglass factory , https://www.hh-windowmesh.com