We are not only professional in producing heat melting filter bag with plastic ring, but also professional in special welding method for filter bag process. The welding bags have no needle pinprick and protrusion parts, which exist in traditional thread sewing filter bag, thus brings a new concept for filter bag processThread sewing filter bagBesides welding filter bag, we are also professional for thread sewing filter bag with steel ring, which has the widest application array.
Welded filter bag