Use of twin screw pump

By the principle of twin-screw pump know, for the external bearing twin-screw pump, through the bearing positioning, the two screws in the bushing do not touch each other, to maintain a constant gap between the flanks (the gap value by the conditions and the pump itself Specifications), the.......

USD/USD rises on Monday afternoon

Despite the general weakening of the US dollar, the US dollar/renminbi remained high at midday on Monday (November 1). This week the Federal Reserve (FED) will hold an interest rate decision. The market expects that the Fed may implement the second round of.......

Talking about two major drawbacks in the hardware valve market

In general, China's hardware valve prices are relatively stable, although each year, slightly ups and downs, but the magnitude is very small. In the North China valve market, many companies were found to be profitable and shoddy, seriously disrupting the v.......