Hi guys, Welcome to the Advanced Video Search Engine, and you are watching HZ-600A SFRA Sweep Frequency Response Analyzer from Huazheng Electric. That video is uploaded by Linda Liu at 2018-07-24T22:48:57-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [wNtRE2LzjdQ]