国产精品久久三级片I日韩欧美精品在线视频Iwww.欧美性受,黑人,xyxI黄色一级大片免费看I国产一区在线免费I377P日本欧洲亚洲大555I天堂av免费I欧美国产综合在线I香蕉久久久久

浙江九鋼金屬制品有限公司

product

Common flat

Release time:2016-05-10 10:35:15

Common steel: widely used, mainly used in the machinery industry, transport, cold drawn products, truck, marine, construction machinery and so on.




Track shoe

Release time:2016-05-10 10:35:14

Track board specifications:
L3W 135 * 6/7 * 14 tridentate track shoe
L3S140 * 9 * 18 tridentate track shoe




The role of track shoe: construction machinery chassis parts four area is an important component, is a wearing parts for construction machinery, is now commonly used in excavators, bulldozers, cranes and pavers and other engineering machinery