主营产品:Shanghai Changning District Jing'an District Luwan District Xuhui District Huangpu District Hongkou District Yangpu District Pudong District Minhang District Songjiang District
主营产品:Cells, parking lots, municipalities, factories, properties, school districts, highways, roads, hotels, shopping malls, banks, hospitals, airports, bus stations, garages, logistic unloading platforms and so on
主营产品:Chang safety door emergency lock, fire passage lock, electromagnetic door stopper, one-way flat push lock, linkage door closer, heaven and earth pole alarm lock, linkage alarm lock master, intelligent gating, electromagnetic lock door ban installation, connecting rod alarm lock, fire door monitoring host