copper sheet specification(H62--H70,C2720,Hsn90-1):
ply :0.05-0.19 ,0.20-0.40 ,0.5-1.5
breadth: 10-280 ,10-600 ,10-1000
copper tube specification(C27200--C26200):
H62 ,H65 ,H68 ,H68A ,HSn:70-1,HAL77,
copper staff specification(GB8892--88,GB1176--1987)
QSn4.0---10. ZQSn4-4-4/5-5-55
copper wire specification
1.13mm / 1.13--3.35mm/0.05-1.13mm)

