Changda Tong Technology Co., Ltd. won the 3A certification and patent invention honor

Changda Tong won the honorary title of "Excellent Supplier" of Beijing Mitian Technology Co., Ltd

Liang Deli, general manager of ZTE International Investment Co., Ltd., visited Tianjin Changdatong for inspection and guidance

Changdatong Technology (Beijing) Co., Ltd. reached a strategic cooperation with the Institute of Embedded Systems and Internet of Things of Tsinghua University

Tianjin Changdatong Technology Co., Ltd. signed a strategic cooperation agreement with Beijing Midian Technology Co., Ltd

Tianjin Changdatong Technology Co., Ltd. was established