I have just got official news of STeX
STeX Exchange Alpha release is scheduled to March 27, 2018 14:00 GMT
STeX A2A ICO is scheduled to April, 5 2018 05:00 GMT
I also found that STeX Exchange and DEEX Exchange signed strategical partnership agreement including cross-listing of both project's own tokens. DEEX tokens, STE tokens and A2A Tokens will be listed on both DEEX Exchange and STeX Exchange.