Certificate of Comprehensive Grade A Engineering Test Institution for Highway Engineering
| Content | According to the management measures for test of highway and water transport engineering, Henan Jiaoyuan Engineering Testing Technology Co., Ltd. has been rated as a comprehensive Grade A engineering test institution of highway engineering. This certificate is hereby issued. |
| Certificate No. | Transport GJC Grade A 2019-068 |
| Date of Assessment | July 27, 2019 |
| Renewal Date | / |
| Date of Issue | July 27, 2019 |
| Validity | Up to July 26, 2024 |
| Authority | Engineering Quality Supervision Bureau of Ministry of Transport (Seal) |
| Production unit | Made by Engineering Quality Supervision Bureau of Ministry of Transport (2018 Edition) |