... 3.CNC engraving 4.Design all types(Big OTR tire mold OK) 5.Factory directly Introduce:segmented/two half tire ... according to the customer's require2. steel mold, high quality3. tire mold for heavy truck, tire mold for car4. with PLC control system ... temperature and the pressure auto-control5. newest hot retreading machine , flexible mold, with 8 parts, easy to use and change Picture: Factory ...