天天爽天天狠久久综合|国产无遮挡色视频免费|亚洲熟妇无码久久精品爱|中文字幕在线免费看线人|国产缴情久久久久影院熟女|日韩高清一区二区三区不卡|99热这里只有成人精品国产|97精品久久人妻人人搡人人玩

About Us
Research for customers, check for users
Development Path
2017-09-28
Incorporated

2018-09-28
Engineering foundation

20200-05-30
Unveiling run
2020-12-10
Obtained the CMA qualification certification of Hunan Province

2021-06-28
"Hunan Province New Energy Vehicle Inspection and Testing Standardization Technical Committee" was approved and established
2021-09-18
Obtained the title of "High-tech Enterprise"
2022-01
The project of the National New Energy Vehicle Quality Inspection and Testing Center (Hunan) was approved and obtained the CNAS laboratory accreditation certificate and the national CMA qualification certificate
2022-05-13
Won the title of "Hunan Province 'Specialized, Specialized and New' Little Giant Enterprise"

Hunan Automoltive Testing Technology Co.Ltd
National New Energy Vehicle Quality Inspection and Testing Center (Hunan)
Continued leading intelligent travel technology service platform