1)brass body,zinc handle,brass cartridge,chrome-plated finish. 2)ISO,GMC certification 3)Its guarantee period is 3 years. Materialbrass body, zinc handle, brass cartridgeSurface finishPolished chrome, oil rubbed bronze,,stainCartridge’s life50,000 timesOEMAvailableGuarantee3 yearspackingBubble bag, exported inner box ,carton box wall-mounted sink mixer