Henan Chalco strictly controls the processing quality of the aluminum sheet, including the structure, grain structure, composition, etc., and strictly controls the performance, plate shape, thickness difference and surface quality of the aluminum sheet to ensure that the surface is clean ,the version is flat, the color is uniform, there is no spot, and there is no pinhole, so that the product performance reaches the international advanced level;
Our company has the most excellent shearing machine, which can control the diagonal tolerance of PCB aluminum entry sheet to +/-0.5mm per meter, and control the maximum edge wave height to length ratio within 0.2%, to meet customer needs.
 
The production process of PCB aluminum entry sheet is as follows:
Production--cutting to length---finished product---sampling test---reinspection before packaging---packing---storage---delivery