... of precision without distortion3. Integrated precision with lifting device4. O-ring seal, high-strength and quick boltsApplicationPaint, Beer, Vegetable oil ... microns.3. Bag collar: stainless steel ring, galvanized steel ring, PP, PE plastic ring and polyester rope.4. The technical of ... filter bag welding is such as, plastic ring welding, seam welding and sewing the end including sewing, ...