Cert
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5A Supplier
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Preferred supplier of cast aluminum doors
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Smart door preferred unit
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Top Ten Brand Certificates
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起草单位：铜门及门周边铜装饰通用技术条件
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Drafting Unit: Armored Door System
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Drafting unit: Smart door locks and batteries 2023
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Drafting unit: Passive low energy armored door
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Quality Management System Certification
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Occupational Health and Safety System Certification
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Environmental Management System Certification
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Environmental Certificate
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Second-level enterprise certificate for safety production standardization
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Four-dimensional concealed hinge test certificate
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Taotao environmentally friendly water-based paint test certificate
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Level 4 test report
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Patent certificate: A burglar-proof door with siren alarm function
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Patent certificate: Spliced anti-theft and explosion-proof door
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Patent certificate: A steel-wood door with good sound insulation
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专利证书：多方位可调隐藏式明铰链结构防爆门
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Patent certificate: A high-strength cast aluminum explosion-proof door
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Patent certificate: A door with invisible welding points
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Patent certificate: Explosion-proof door with anti-pry function
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Patent certificate: Door hinge design patent
