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06/Mar
2023
Haida Participates in The Canton Fair
Haida participates in the Canton Fair
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17/Feb
2023
Introduction of The New Factory
Introduction of the new factory
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23/Sep
2022
Huzhou City, Zhejiang Province Federation Of Industry, Leaders Of Small And M...
On September 23, 2022, Li Longhua, Vice Chairman of Huzhou City Federation of Industry and Commerce, Feng Xukang, Vice Chairman of Huzhou Nanxun District Federation of Industry and Commerce, Xi Zho...
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02/Sep
2022
Causes Of Fatigue Fracture Of Floor Springs
The surface state stress mainly occurs on the surface of the spring material, so the surface quality of the spring has a huge influence on its fatigue strength
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29/Aug
2022
Key Points To Consider Buying An Automatic Door Closer
With so many automatic door closer models on the market, you don't know how to choose? This why we need to understand the key points of automatic door closer selection.
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19/Aug
2022
Access Control Where Can Be Applied?
Access control can effectively prohibit unauthorized personnel from entering and leaving, so access control is applied in many places. So do you know that access control can be applied there? Below...
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17/Aug
2022
Installing The Glass Door Floor Spring Points Note
Glass door floor spring installation is an important part of glass door, which belongs to movable door installation.
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21/Jul
2022
Different Types Of Door Closers
Different types of door closers are suitable for different places, choose the right door closer according to your needs.
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19/Jul
2022
The Governor And Executive Vice Governor Of Langxi County Visited Haida For I...
In the afternoon of July 5, Ms. Hong , deputy secretary of Langxi County Committee, standing committee member of Langxi County Committee and Mr. Wang, executive vice mayor of Langxi County came to ...
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15/Jul
2022
Five Ways To Install Door Closers
The correct installation method can maximize the role of the door closer, but also reduce many unnecessary trouble, it is necessary to choose the right door closer and the exact installation method.