... kinds size, different color 3. anodizing and welding anodized solar panel aluminum frame:1. material: Al 6063 T52. surface treatment: ... further processing: punching, drilling, cutting, bending, planning etc. Aluminum products are more and more widely used in many areas ... customers demand. Our products are included handle of fridge/cupboard, solar cell border, industry materials, heat sink, tube, rods, ...