Fire fence dual doors underground fire doors, fire gates, fire doors, coal fire doors, fire gates, fire gates manufacturers, fire fence dual doors, complete model of fire doors, fire gates GB Wenzhou, a naked man queuing buy a train ticket home, he was taken away by police and sent home, free to get tickets to go home. Not buy a train ticket] [friends can go try. I can only help to this the Do not ask me who I was Shandong's coal - Xiao Han Tips: GB end stock, intends to contact Shandong's coal Xiao Han First, the product uses dual door for fire and fence Underground Main between the pump and the main substation chamber; within the mining area substation channel; inner belt conveyors, winches and distribution of electrical equipment and appliances changed Chamber and other channels, such as when the underground fire, the combustion not spreading, and ensure mine safety. Our documents are complete mine gate: Manual, certification, quality inspection reports, accompanied with the goods; all mine doors are sold throughout the country Dazhong Xiao coal, the main market, Inner Mongolia, Shanxi, Shaanxi, Sichuan, Xinjiang, Liaoning, Chongqing etc. Second, models, specifications and fence dual fire door there are four specifications, as follows: No. Model Specification Drawing No. 1 MFHSL1.4 × 1.8 B85-373.29 2 MFHSL1.6 × 1.8 B85-373.30 3 MFHSL1.8 × 2.0 B85-373.31 4 MFHSL2.1 × 2.0 B85-373.32 Third, the product description of the fire and the fence dual-use door for the Ministry of Coal Industry Design and Research Institute Wuhan coal mine design, product quality standards and testing standards strictly enforced Q / WMS-3011-2005 " Fire and fence dual doors. " Fourth, the product is mainly structural fire protection and fence dual doors from the frames, doors, locking devices and other components. 2, the angle of the door frame stile and semicircular seal plate channel beam connection is made, no next door. 2, the doors for the angle, steel, welded steel mesh group, corresponding to install steel mesh steel doors. 4, the locking device by turning the handle and use inside and outside the clip.