fireproof door lock : 1 certificate: CCS 2 inatallation: hotels and residence 3 treatment: mirror polished fireproof door lock : ItemDescribeDetail1Certificate ISO9001:2000, CCS2 Characteristis fireproof, durable3 Specification This door lock is composed of single cylinder, double bolt mechanism. Users can open or close the door by key outside and by knob inside. 4 Suitable thickness 40-60mm5 ...
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