... and sample (square, angle, flat, T-profile, rotundity, oval,slot)Deep machiningprecise cutting, drilling, tapping,CNC milling,CNC ... powders coating 4.Certification:ISO:9001:2008Detailed Product DecriptionAluminum frame for solar modules (1).40*35 suitable for ... and installationn high brightness and hardness.4.Good suface frame,complete specifications,astacctive appearance and superior performance.5. ...