Xinjiang Discovers Asia's Largest Oxide Oxide

Xinjiang and Bukseier Mongolian Autonomous County claimed on October 13 that after more than one year of exploration experts, the county discovered the largest thorium oxide ore belt in Asia with a reserve of about 40,000 tons.


Radon is the lightest alkaline earth metal element.......

Safety valve should be adjusted and calibrated before use

(1) The safety valve shall be subjected to pressure test and air tightness test before installation to check the strength and sealing performance of the safety valve. Qualified before correction and adjustment. (2) On the gas test bench, correct the valve opening pressure by adjusting the load .......