They are doing volume bot to simulate the volume. You just made them lose what you win. This is why they have locked you account.
Look at this review: -https://revain.org/exchanges/catex/review-9ab62cdd-8be4-4442-83c2-e1f6ed289736

look at this exchange https://www.bitallex.com/ it is fully copied from catex and he even forget to change the data inside the web.