... high quality Features:High-precision Steel Processing Mechanical Parts by CNC Auto Machine 1.Material:Brass H62, H65, H68, Bronze, ... passivated, nickel plating, gold plating, chromated4. Appearance: clear shiny surface, with complete neat body.5. Inspection: in house test are available ... responsible QC, Engineers and after sale worker to deal with such things.In case this thing happened, we will ...