采用優(yōu)質(zhì)不銹鋼整體鑄造精加工而成，耐腐蝕、撞擊、劃傷和磨損。鎖芯的構(gòu)造設(shè)計精密，生產(chǎn)工藝先進(jìn)，設(shè)計新穎，主要適用于人流量大的場所的門窗制造，如公共場所的樓層、辦公大樓、醫(yī)院、高速公路收費(fèi)站、公園、體育場、輪船等。因?yàn)檫@些場所門窗使用頻繁，往往需要質(zhì)量可靠而又便于維護(hù)的材料。防火工程鎖（不銹鋼）適用于防火門，經(jīng)過國家嚴(yán)格的防火檢測。Theentirepieceofthelock,whichiscorrode-proofandabrasion-proof,iswell-madeofstainlesssteel.Thestructureofthecylinderiswell-designedwithadvancedproductiontechniques.Thismodelissuitableforthedoorsandgateswithhighpeople-flow,forexamplethedoorsinstalledinthepublicbuildings,officebuildings,hospitals,toll-stopgates,parks,gyms,ferries,andetc.Thesedoorsareopenedandclosedveryfrequently,demandinggood-qualityandmaintainablematerials.Fire-proofcommerciallock(stainlesssteelmade),whichpassedthestrictnationalfire-proofexam,isspeciallyappliedtofire-proofdoors.