tungsten copper alloy rod material:W1,W2,WAL1,WAL2 standard:GB4187-84 Dia:7-50mm ISO14001:2004, ISO9001:2008 tungsten copper alloy rodmaterial:W1,W2,WAL1,WAL2standard:GB4187-84Dia:7-50mmprocessing method:firing,forging,rolling,grinding,casingmarks:your drawing is available More details,pls contact me on your any free time!I'm looking forward to hearing your reply!