On January 9, Yinshan Steel Steelmaking Plant successfully produced a new type of auto-beam H-beam LGL610C independently designated by Laiwu Steel. After inspection, the billet technical indicators meet the design standards.
The steel belongs to high alloy high strength structura.......
Fergusonite ore deposits mainly in the case of granite and weathered granite rock class. Deposits dominated by brown earth mines are rare. The brown castor weathering crust deposit in a centra.......
.......
In November, when Beijing supermarkets opened their doors every morning, large numbers of people flocked in and bought rice, eggs, cooking oil, and vegetables that were cheaper than farmers' markets. This situation that has not been seen for many years .......
China Drying News reported that the two days of the 18th China National Association of Petroleum and Chemical Industry, the spirit of the 18 tr.......
Gas chromatography is widely used in petrochemical, scientific research and teaching, environmental monitoring, food and medicine safety, high purity gas industry, life science, forensic identification and other fields. Wuhan Tetworth Technology Co., Ltd. is lo.......