Passed the European EN12209 standard certification, 200,000 operation cycle life test Passed the GB 12955-2008 fireproof certification, 1.5-hour fireproof test The lock tongue panel adopts the fine vertical brushing process The oblique tongue is made of 304 fine steel casting The lock shell adopts special-grade fingerprint-resistant electrolytic steel plate No gap, triple fastening design Ultra-high strength integral dial lock Side panel type: round head panel, square head panel, lock margin: 55

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