DC voltage withstand test of high voltage cable

With the rapid advancement of some projects such as the “West Power Transmission to the West” and “Southern Power Transmission to the North,” high-voltage DC cables will also become the main force used by us. Large-scale access to new energy sources and the constructio.......

Domestic product oil prices remain stable

The average price of crude oil in the three places of reference for the domestic oil price is more than 7% higher than the price of the last refined oil product, far exceeding the “red line” of 4%, so the “window” of domestic oil price adjustment has been open.......