German customer bought Waste tyre recycling to oil machine from us in Novermber 2014.He is an engineer of many industries. Like machinery, oil, chemical etc. He was engaged in machinery industry over 40 years, very professional and familiar with waste tyre recycling to oil machine. After compared and analize with other manufacturers. Finally he chose DOING Company waste tyre recycling to oil machine.He said,"I visite so many suppliers,among them, DOING is the very proffessional on pyrolysis techn ogy, and DOING company solved all my doubt".