Coarse crystal ring Some aluminum alloy extruded products form a coarse recrystallized grain structure area along the periphery of the product on […]

Shortening At the tail end of some extruded products, after low magnification inspection, there is a horn-like phenomenon in the middle part […]

Aluminum formwork is suitable for the use of wall formwork, horizontal floor, columns, beams, climbing formwork, bridge formwork and other formwork.

  Building doors and windows can also affect the face score of a building. In the past, it was thought that doors and […]