China Bubble Film Machine suppliers Features of air bubble film machine The bubble film machine adopts a one-time forming process and can continuously produce polyethylene composite bubble film. The machine structure design is scientific, practical and reasonable. Bubble film is a kind of pressure-proof, moisture-proof and shock-proof chemical product used for packaging and filling. It is made of Bubble Film Machine suppliers website:http://www.wzrkmachinery.com/bubble-film-machine/