... Spin Welding Machinery: Mainly welding the high tenacity round plastic products dehydration container,oil filter for auto Spin Welding Machinery ... engine,sprinkler tie-in,hot water bottle,thermos,ball toys,paint bucket,vacuum flask,filterimg core,buoy,etc.With the heat ... friction,the machine can dissolve the surface of the processing plastic material,to finish the melt-connecting process. Your inquiry ...