Powerway, the professional copper alloy products manufactorer, located in China, can supply all kinds of metal is wishing to cooperate with you!!We will be very pleasure to supply some samples for your test!!Our products cover up to 65 articles of wires, rods and bars of alloy with different section profiles and sizes from 0.1mm to 80mm in series as brass, leaded-brass, tin bronze, nickel silver, brazing materials and monel.In 2001, the group passed ISO 9001 Certification of Quality Management System 2000 Version from SGS Company UK For the Hi-quality and reasonable price, our products is widely accept by the spectacle manufacturers from U. S. A, Japan, South Korea and Hongkong!!