1. Reliable steel grating supplier 2. Good quality steel grating 3. Easy installation & saving work time. Advantages of steel grid plank: light weight, strong intensity, ... sagging,non-dirt, and easy to install 4) Hot galvanizing standard: China GB/T13912-925) Wrapping: wrapping is as requested ... , 75x10---100x10mm etcI bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etcUS standard: 1''x3/16'', 1 1/4''x3/16'', 1 1 ...