Construction
| Thu 20 Aug 2026
Beijing, Aug. 20 -- Henan Jianyan Information Eng Co Ltd has obtained a patent for measuring scale for surveying and mapping corners of house. This invention was developed by Yin Wuhong, Chen Peng, Zhang Yihang, Mao Meng, Wang Xiaojie, Zhang Feng, Li Jing, Liu Kai, Liu Zhanfeng, Yin Yanfei, Wang Xiangyang, Li Cunyu, Li Pengzhan,..