china auto chuangzhi technology co., ltd.
internet speed: VitoGenovese and FrankCostello, your browser does not support it Genovese the content included in this site is from big data collection and the copyright belongs to the original website! Costello, product features: aerosol automatic fire extinguishing device 1. system overview features of special conveying pipelines, pipe fittings, and electrical control equipment for gas fire extinguishing system: double-sided hot-dip galvanizing, good strength, high density, excellent thread, strong sealing performance, no air holes, no sand holes, and fully comply with national standards.