Tools and Machinery
| Thu 18 Dec 2025
Beijing, Dec. 19 -- Shandong Lianyinshan Environmental Protection Building Materials has secured a patent on Sectional Type Sediment Pool Device Easy to Clean. Gong Shuyu, Gong Yungang, Zhang Xiran, He Jianzhi, Zhang Yutang, Han Jun, Zhang Xizhen, Zhang Xian, Chen Zhaojun and Gong Zixing developed the invention.
The patent ap..