It should be noted that the gross profit margin of Gongjin shares fell to 13.94% last year, and some investors are worried about the risk of continued decline in the company's gross profit margin. In this regard, Tang Xiaolin, Vice President and Trea…
The impermeability of concrete is related to its porosity and pore structure.…
Aluminum prices continue to rise According to data from the National Bureau of Statistics, in the first quarter, the output of alumina, electrolytic aluminum, and aluminum were 19.23 million tons, 9.76 million tons, and 13.89 million tons, respective…
From April the French government will reduce fuel taxes slightly to ease the burden on consumers. Warned of possible energy shortages in France by the end of the year and called on the French to conserve electricity and gas from now on, saying that i…