Ceiling steel-plastic grid for coal mine 1.Mesh width: 4.0/3.0/2.0/1.5m 2.Mesh length:5~25+0.5m 3.Tensile strength:4000N/m Jizhou ZhongJie Engineering Materials Co., Ltd was established in the year 2000, and mainly manufacture geogrids, geotextile, geomembrane,double-resistance grids for mining, high-pressure oil tubing, waterproof plate, and rubber fender, rubber waterstop belt,etc.Ceiling steel ...