DMC Mining LimitedLogo Design Contest

Thank you for your appreciation, any comments for my design maybe comment for font, color, and layout?

congratulations on the launch of the "DMC Mining Limited" logo contest
after I read the design brief, then I am interested to participate in this contest, I give some design proposal for your consideration please check, give feedback if you have suggestions so that logo design will be according to what you looking for.

Thanks
Regards
Dewaaaa