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Patent Certificate
Patent Certificate
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Patent Certificate
Patent Certificate
A door with good sealing performance and insulation properties
Firedoor with protective function
A punching device for processing firedoor
Wind-resistant steel firedoor
New type of insulation door
A stainless steel firedoor with excellent sound insulation properties
Medical door with buffering function
Multifunctional medical door
Thermal pressing device for processing insulated doors
Non-welded latch plate
Lock box without welding, lock body and pad plate as an integrated piece
Non-welding hinge spacer plate
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