... PET flakes or virgin chips to produce the polyester staple fiber(PSF). Polyester Staple Fiber (PSF) machineryWe are a professional manufacturer for ... uses PET flakes or virgin chips to produce the polyester staple fiber(PSF), our line is a flexible line which can ... , including technicians service on site, spare parts, maintenance, etc...... Polyester Staple Fiber (PSF) machinery