Many buses are marked TMTC. What does this mean?

Product name: Temet English name: TMTC Company name: Sichuan Lee Tae Intelligent Instrument Technology Co., Ltd. Business introduction: The company mainly produces and sells high-tech IC card intelligent prepaid water, electricity, gas, heat meters, electronic single-phase and three-phase meters and other civil four meters and related power distribution equipment VI Application content: design company logo and product trademark requirements: 1, simple atmosphere; 2, visual impact, eye-catching and easy to identify, highlighting intelligent instrument elements; 3. Attach a creative explanation.