FAQ 1. Q: Are you a factory or trading company,How is you factory extrusion experience? A: We are a factory and a trading company. We have many years experience on extrusion.Leading supplier in Nanjing. 2.Q: How long is your machine’s guarantee time? A: 1 year, Main parts is made of high tool steel by special quenching treatment, with high corrosion resistance and wear resistance. 3. Q:What can you provide for after sale service? A:We can send engineers to your factory for installation and training if customers‘ required 4. Q:If we have very special request for the production line,could you help me to do the design? A:Experienced mechanical designer customized-design provided. 5. Q: If we have samples of new products, can you help to analysis and design the machine? A:Yes, Our technical department can help to analysis, design and test the new products you offered.