... 1.Best price and quality 2.Machines:7 running lines 3.Product capacity:100 tons/day ... have 7 running lines. Our capacity per year lead to 50,000 tons.These panels are open end so ... the steel grating manufacturer in China. We have 7 running lines with yearly capacity of 50,000tons. ... 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", ...