Mastech power supply clones

[Sammus]

I have seen about 4 different branded clones. I wonder if they're all from the same factory?

These are the guys I'm taking about, based in China not HK.

http://www.hy-elec.com/docce/profile.htm

If you visit the website be warned, I'm pretty sure it's written for IE and not using Firefox (even though it hurts) will result in a more pleasant viewing experience. Did on my computer anyway hah.