Ko YIHTONG, kei Henan, Haina, kua whakawhanakehia he putunga putunga putunga para, he rite ki te pūoko A13 o ta matou kamupene mo te tono mamao ultrasonic.
Kei te whakamahi a YIHTONG i te hangarau sensor ultrasonic hei reo rapunga, ka tukuna nga korero me nga raraunga tuuturu ma roto i te waahanga korero NB-IoT, me te aro turuki i te ahua o te puhake o nga ipu paru kua tohatohahia ki te waahi mahi ma te whakakotahi me te papaaata aroturuki kapua GIS.
