Tools and Machinery
| Tue 12 May 2026
Geneva, May 13 -- Kunlun Digital Tech Co Ltd and China National Petroleum have filed a patent application for Method and Apparatus for Plotting Drilling Cuttings Profile Track, and Device. This invention was developed by Zhang Taofeng, Wang Xinyan, Jang Kecheng, Miao Zhenli, Zhou Bingbing, Han Laohu, Yang Bing, Huang Wenjun and ..