Deao Science & Technology Co., Ltd is an enterprise specialized in production of screen changer/melt filter for plastic extrusion machine,
The major products range from discontinuous screen changer, continuous screen changer, back flush screen changer, automatic mesh belt screen changer etc. 

Industries cover plastic recycling, pipe, sheet,, cast film, blown film, monofilament and other fields.
DEAO builds screen changer with good seal, leak-free, on-time delivery, reasonable price and good after-sale service..