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Hello! Welcome to the official website of Heshan Boan Fire Resistant Glass Technology Co., Ltd.

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Letters Patent

Position:

Hinge - design patent certificate

Hinge - design patent certificate

A partition wall using nano hemin silicon fireproof glass - utility model patent certificate

A partition wall using nano hemin silicon fireproof glass - utility model patent certificate

Profile (2) - design patent certificate

Profile (3) - design patent certificate

Profile (4) - design patent certificate

Profile (5) - design patent certificate

Profile design patent certificate

A plug-in bridge cutoff aluminum door and window installation frame - utility model patent certificate

A plug-in bridge cutoff aluminum door and window installation frame - utility model patent certificate

A single screw fixed fireproof glass window frame and nano hemin silicon fireproof glass window - utility model patent certificate

A single screw fixed fireproof glass window frame and nano hemin silicon fireproof glass window - utility model patent certificate

A fireproof glass window frame and nano hemin silicon fireproof glass window - utility model patent certificate

A fireproof glass window frame and nano hemin silicon fireproof glass window - utility model patent certificate

A fireproof window - utility model patent certificate

A fireproof window - utility model patent certificate

A kind of Hamming silicon anti ultraviolet composite heat insulation fireproof glass - utility model patent certificate

A kind of Hamming silicon anti ultraviolet composite heat insulation fireproof glass - utility model patent certificate

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