1. Kusankhidwa kwa aluminiyumu alloy stamping kuyenera kutengera zomwe zimafunikira pakupanga masitampu kuti adziwe masukulu awo.Nthawi zambiri, zotayidwa aloyi zinthu magiredi ntchito sitampu ndi 1050, 1060, 3003, 5052, 6061, 6063, etc. 2. Posankha zotayidwa aloyi sta...
Werengani zambiri