Enviornmental
| Tue 06 Oct 2026
Beijing, Oct. 5 -- Shandong Wanbang Petroleum Tech Co Ltd has received a patent for Natural Gas Washing Tank. This invention was developed by Zeng Zhiwei, Kang Xiaoyan, Sun Chengjuan, Liu Cunxin, Zhao Yanbo, Zhang Cuicui, Chen Ruixia, Han Kexing, Ding Xianghui, Cui Xiangqiang, Zhao Huilin and Zhang Zhengliang.
The patent appl..