Material: Steel, aluminum, copper, platinum, yellow filter purple copper, stainless steel plate, nickel plate, etc. A: Steel, aluminum, copper, platinum, yellow filter purple copper, stainless steel plate CNC punching and into. Nets aperture has diamond, hexagon, alien. USES: Mainly used in civil construction, machinery and equipment protection, handicrafts manufacturing, high-grade speakers nets cover, the highway barrier, more fencing sports place, the road greening defend net, heavy steel nets can be used for a tanker pedal mesh, heavy machinery and boilers, oil mines, locomotives and WanDunLun ship work platform, staircase, aisle, etc.  Professional production: 6 mm thickness ~ 8 mm, pore diameter 40 mm x 80 mm and 50 * 100 mm.