Recently, our company received an invitation letter from American enamel association Glenn N. Pfendt, and invited our general manager Zhu Haixiao to participate in the enamel technology forum held in Louisville, Kentucky, USA from May 7th to 9th, 2019. He also give a speech at the technical forum. At the same time, Glenn N. Pfendt also invited Mr. Zhu Tsunami to Ashland A.O. Smith and its engineers to conduct technical exchanges on "the automation of coating application, automatic thickness measurement and control as well as automation of final coating quality inspection".