... welding. The following is our standard, materialsStandards:GB/T12769-2003Coat:Ti,Ni,Zr,Stainless Steel 316L, etc.Base:Cu(T2,TU2),AL ... tons of composites,4. processed materials and various products of Ti,Zr,Ni,and Cu metalsType of Payment: T/T,Paypal,Escrow ...