They look pretty much identical to these Wellgo pedals I have used for years, which themselves are a copy of the Shimano M324.
http://www.amazon.com/Wellgo-WPD-95B.../B00E7UZK8GNot on my primary bike, but was using these for maybe 8 or 10 years. The only thing I don't like about these is, a couple of times I scratched up my shins on the sharp edges of the pedals.