![Ri Jia Ding](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Ri Jia Ding
Director/Board Member at
BEIJING LONGRUAN TECHNOLOGIES INC.
Profile
Ri Jia Ding is currently an Independent Director at Beijing LongRuan Technologies, Inc. since 2020, an Independent Director at Jiayou International Logistics Co., Ltd. starting in 2026, and a Professor at China University of Mining & Technology.
Former positions include Independent Director roles at Shandong Mining Machinery Group Co., Ltd. and Tiandi Science & Technology Co., Ltd. Education includes a doctorate degree from Technical University of Berlin, conferred in 1998.
Ri Jia Ding active positions
| Companies | Position | Start |
|---|---|---|
| BEIJING LONGRUAN TECHNOLOGIES INC. | Director/Board Member | 2020-12-02 |
| JIAYOU INTERNATIONAL LOGISTICS CO.,LTD | Director/Board Member | 2026-05-17 |
China University of Mining & Technology
 China University of Mining & Technology Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | 2011-05-24 |
Former positions of Ri Jia Ding
| Companies | Position | End |
|---|---|---|
| TIANDI SCIENCE & TECHNOLOGY CO.LTD | Director/Board Member | - |
| SHANDONG MINING MACHINERY GROUP CO., LTD. | Director/Board Member | - |
Training of Ri Jia Ding
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
77
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Tiandi Science & Technology Co., Ltd.
 Tiandi Science & Technology Co., Ltd. Trucks/Construction/Farm MachineryProducer Manufacturing Manufactures and distributes coal preparation equipment and related mining machineries | Producer Manufacturing |
Technical University of Berlin
 Technical University of Berlin Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
China University of Mining & Technology
China University of Mining & Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Shandong Mining Machinery Group Co., Ltd.
 Shandong Mining Machinery Group Co., Ltd. Trucks/Construction/Farm MachineryProducer Manufacturing Manufactures industrial machineries | Producer Manufacturing |
Beijing LongRuan Technologies, Inc.
 Beijing LongRuan Technologies, Inc. Packaged SoftwareTechnology Services Provides industrial application and business process information solutions for production and mining of coal | Technology Services |
Jiayou International Logistics Co., Ltd.
 Jiayou International Logistics Co., Ltd. Air Freight/CouriersTransportation Provides logistics services | Transportation |
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