About Li Xinghai
About 中鉄華鉄工程設計集団有限公司,北京,100071
About Gongcheng Jianshe yu Sheji
About process design
About Fire fighting equipment
About hydrothermal system
About drainage(water)
About fire fighting
About rain water
About 消火栓
About スポンジ
About 車両基地
About 北京市
About Water supply,drainage and sanitary equipment in buildings
About Electric and disaster preventive equipment,elevators,etc.
About Fire
About Commercial buildings,office buildings
About Sewerage engineering and wastewater treatment in general
About 北京
About 地下鉄
About 車両基地
About 排水
About 消防
About 設計