Addressable Smoke Detector/Heat Detector Addressable Smoke Detector,Smoke Detector,Heat Detector,Notifier Addressable Smoke Detector BEIJING FINECAST INTERNATIONAL CORPORATION , https://www.cfic-finecast.com Name of product specification Materials Origin price Change Note Angle Steel 50*5mm Q235 Ma Gang 3300 - Less goods / length 6m Angle Steel 50*5mm Q235 Angang 3300 - Less goods / length 6m Angle Steel 50*5mm Q235 South (chang) steel 3250 - No goods / length 6m Angle Steel 160*14mm Q235 Tang Gang 3500 - Less goods / length 9m Channel steel 8#a Q235 Anyang 3400 - Less goods / length 8m Channel steel 16#a Q235 Ma Gang 3350 - Less goods / length 9m Channel steel 25#a Q235 Wu Gang 3480 - Length 12m I-beam 20#a Q235 Wu Gang 3520 - Length 9m I-beam 25#a Q235 Wu Gang 3550 - Length 12m The above prices are all weights