Our advantage for Filter Bag Hot Welding Production Line is 1.It can welding non woven fabric with high speed. 2.It can polyester filter bag fabric,pp filter bag fabric and pps filter bag fabric. 3.Also another feature is we have semi-automatic hot wleding production line, it's only take up small space and also with high productivity , the price is good too. It is suit for small and medium size filter bag factory.