dme - 导柱 - 深圳市乐华行模具有限公司 - szlehua.com A Tradition of Innovation Continues. In 1942, I.T. Quarnstrom founded Detroit Mold Engineering (today’s DME Company) to provide mold bases in standard sizes, ready for machining of the cavity. A Tradition of Innovation Continues. In 1942, I.T. Quarnstrom founded Detroit Mold Engineering (today’s DME Company) to provide mold bases in standard sizes, ready for machining of the cavity.