... Friendly! Small shape,light weight, High frequency and medium frequency induction heater:Induction Heater,MOSFET inversion technology ... diamond tool, abrasive tool, drilling tool ,alloy cutter, milling cutter, reamer, planning tool and solid center bit, • Welding of various ... hardware handle, egg beater, alloy steel and steel, steel and copper as copper and copper, • Compound pot bottom welding is ...