(1)您对当前数控系统的性能、价格的评价是什么?若某产品的性能比较好,具体体现在什么地方,价格上感觉如何?若某产品的性能还有欠缺,请给出您的建议? (2)您在使用过程中曾遇到的技术难题是什么,又是如何解决的?期间是否得到过数控厂家的帮助?您对目前数控厂家售后服务的看法是什么? (3)您对数控厂商的技术培训有什么看法和要求,希望得到数控厂家的哪些培训? (1) What is your evaluation of the performance and price of the current CNC system? If the performance of a product is relatively good, what is the specific embodiment, how does the price feel? If the performance of a product is still lacking, please give your Suggestions? (2) What are the technical difficulties that you encountered during use and how are they solved? Have you received help from CNC manufacturers during the period? What is your opinion on the current after-sales service of CNC manufacturers? (3) You What are the views and requirements on the technical training of CNC manufacturers and what training do you expect from CNC manufacturers?