It is crafted from high quality aluminum to ensure long lasting usage. It is easily applied to the perimeter of the doorframe with self-adhesive backing. Made of Bronze and has a choice of widths:. It is easily applied to the perimeter of the doorframe with screws or wood nails. Available in Bronze in three width options:.
Second , our manufacture lines being most advanced in the world. Third, our Lab test each coils quality , if anything not qualify , we will reduce that to Grade B. Forth, annually , we invest a lot fund to improving our technology.
The science of leveling metal strip has two main goals. The first is to make the metal's surface flat and ripple-free. The second is to neutralize hidden internal stresses that cause twist and bow in parts during secondary operations, such as stamping.