... Top: Plain or serated c.4000 square meter/week Heavy duty welded steel gratingFlooring galvanized steel grating is the most widely ... pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US ... standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 ... Nanjing Branch isone of largest manufacturer and exporter of Wire and Wire Mesh Products.Our factory started since 1986, we have ...