Energy
| Wed 11 Nov 2026
Beijing, Nov. 11 -- Wang Yingchun has obtained a patent for portable electric energy meter field calibrator. This invention was developed by Yang Lihua, Zhou Feilong, Ye Li, Wei Wei, Zhou Ruizhe, Wang Yingchun, Zhang Yuxuan and Xie Wei.
The patent application number is CN202423155171U 20241220. The patent publication number i..