Customer From Vietnam Visit Us Again for BW1600 Transformer Corrugated Fin Line

Today we have customer from Vietnam come to visit us , this is the second time they come to us, we take them to see our end user machine running, after that we take them to our company to inspect our transformer corrugated fin production line, they see many of our machine product in our workshop, big ones, small ones,and then they ask for many technical questions on spot,we give them answer one by one, they are satisfied with our answer and will place order to us soon.