Retail & Household
| Fri 01 May 2026
Beijing, May 1 -- Sunrise Energy Tech Ltd has submitted a patent application for Hydraulic Setting Recoverable Hanger. This invention was developed by Ding Wanyuan, Gong Wenchong, Tao Feng, Zhang Jian, Zhu Qinglin, Zhu Xiangbin, Zhao Zhaoxiang, Guo Yanxia, Zhu Jiahui and Wang Xian.
The patent application number is CN202511701..