Hi everyone, I'm Jacob Cheng from China, working in an electronic instrument manufacturer, and this is not a promotion content, I'm here asking for help. As a freshman of marketing promotion in the electronic instrument, I have no idea about what topic will engineers interested in. So, I'm here today to ask for a little favor from an expert like you guys, sincerely. We manufacturing digital DC power supply, frequency converter, all kind of power testing equipment the most. For example, the frequency converter, use to simulate power network for product testing. Then you wanna know about this machine, what you want to ask? Here is some of my thinking: What's the feature of this machine? (compare with general model） Compare with XXX brand, what' the result? What's the power core? What's the capability between different core? What material made of? That decided how long I could use it. Anything else comes up? I know I maybe ask a stupid question, but I really need help, please leave your comment, thank you, guys.