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2020

AOQUN Door Brush Seal Passed The Pyrotechnic Poison Test Certification

Domestic platform door companies generally choose the national standard, namely GB / T-8624. We are very pleased that Aoqun door brush seal on the platform door has obtained the third-party GB / T-8624 third-party pyrotechnic test certification in March…

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2020

Door Brush Seal Passed The Pyrotechnic Poison Test Certification – AOQUN

The subway platform door is an isolation device installed in the subway to separate the passengers from the arriving subway vehicles. Because the daily flow of people in the station is huge, each component of the subway platform door needs to be tested…

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2020

How to Install Door Sweeps For Exterior Doors? AOQUN

We all know that there is an essential gap between the door leaf and the ground, which guarantees the free opening and closing of the door leaf. But when the air-conditioning cools off in the summer, the cold wind that intrudes into the outdoors in the…

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2020

Door Sweep Replacement Too Tight How To Fix – AOQUN

If the door sweep is installed too tightly how to fix, there are usually three reasons: 1. The size of the base of the door sweep is too large, it is already tight when installed, but the door sweep is still installed in the holder. 2.The holder size…

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