... systems. 7, Department of mechanical combination output, convenient automatic match. 8, the original German (PINOT) automatic constant amplitude9. ... melting points of both working pieces is nearly equivalent which helps to form a uniform weld area. The welded area ... USB connectors,Bluetooth. Toys,stationery: folder, album, folding boxes,PP hollow board,pen loops,ink cartridges, toner cartridges. ...