well, as they sell some of the same parts as ocuk do, then yes, it is a competitor.
if you email cz though and ask them they will answer your questions, they are rather good at getting back to you.
they will put anything on, normally its something somebody has requested from them, then they put a price on it, so that they can buy it from the store. They then leave it there if someone else wants to buy it.
they will put anything on, normally its something somebody has requested from them, then they put a price on it, so that they can buy it from the store. They then leave it there if someone else wants to buy it.