2019年6月29日，美国麻省理工大学和东京大学教授、学生团来我司参观、交流、互相学习（双方已建立定期交流机制）。

June 29, 2019, a group of professors and students from Massachusetts Institute of Technology and the University of Tokyo came to visit, exchange and learn from each other.

现场针对PCB、PCBA生产工艺技术标准，工艺流程等技术问题进行深入交流、理论与实际相结合，大家受益匪浅。

This paper deals with PCB, PCBA production technology standard, process flow and other technical problems.