哈德沃角码

The aluminum alloy window movable corner codes are all originated from the European system windows, with the original intention of reducing the processing difficulty of aluminum alloy doors and windows. To reduce the waste of non-conforming products, there is also production in China, and the materials are mainly divided into four categories:

1. Die cast zinc alloys;

2. Aluminum alloy extruded materials;

3. Engineering plastics;

4. Iron plate bending type