Global Mold Tech Management GLOBAL MOLD TECH MANAGEMENT, OR GMTM, CAN PROVIDE ALL OF YOUR PLASTIC AND DIE CAST NEEDS, BUT MOST IMPORTANTLY, WE DO IT WITH INTEGRITY. The staff at GMTM are passionate about the Tool & Die trade and strive to bring your tooling costs down, so that more production can be done domestically, but we're not "tooling brokers".