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developing processdescriptionadvantage / disadvantage1st generationextrude core & case separately, thread the core and put adhesive tape manuallytolerance is so difficult to control that easily lose the core.
automatic door bottom seal, also called drop down seal or draught excluders.it has other different names in different countries and areas.
drop down seal family has a new born baby , it is very slim (8mm thickness) and cute. it is specially designed for double rebate doors which need high performance sound insulation.
● Gallford has been a manufacturer for 20 years , we have our own technical department to design product, develop tooling. And manufacture ourselves.● Drop down seal has been patend and with testing report.● Except use for wooden hinge door, our dro…
Many people pay more attention to the house type, lighting and ventilation when they buy a house, but they often ignore the consideration of environmental noise. As a result, I found that the house was faced with roads, markets, factories, stations and so on. I lived…
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