The natioanl standard of aluminum plate and strip is as follows: Aluminum and aluminum alloy plate /strip (GB/T3194-1998) The national standard of aluminum and aluminum alloy rolled plate/strip: GB/T3880-2006(instead of GB/T3880-1997) The national standard of aluminum and aluminum alloy hot rolling plate/strip:GB/T16501-1996 The national standard of rolled aluminum coil: GB/T3854-2006 The national standard of overall diamension and allowable deviation for general use processed copper and copper alloy plate/strip: (GB\T17793-1999)
The national standard of copper and copper alloy:GB/T 2059-2000
The national standard of copper coil:GOST 5638-1975
The products of our company is reached national standard of aluminum plate/strip at 2006. Our company is the one of the enterprise which taking the lead in passing the national standard .