... Price:$3200.00 Needle detection machine MCD-F500QD with LCD screen Scope of application: MCD-F500QD metal detection machines used ... materials or products of Broken Needle, wire or lead, copper, aluminum, tin, stainless steel and other metal . Performance characteristics: 1 ... operational use of extremely reliable and user-friendly. 7. Machine using stainless steel material, anti-corrosion, easy to clean ...