Zhengfang Hardware Industry Co.,Ltd is a square steel frame mill to begin production from 2003 grating manufacturer. Located in world-renowned "wire mesh" Anping.Grating commonly used carbon steel, hot dip  galvanized surface, can serve to prevent oxidation. Can also be made of stainless steel. Grating with ventilation , lighting, heat,slip, explosion-proof performance. Anping square steel grid cell production in the steel mill has a  wealth of experience, we can according to cust. google88d5e390cb491eff.html