Wind speed sensor

Wind field measurements generally include two vectors: wind speed and direction. Although the true ideal wind field measurement includes a three-dimensional vector, it is very difficult to determine the three-dimensional vector. Therefore, we usually encounter t

U.S. tires facing major tax crisis


On September 2, the U.S. Trade Representative’s Office will issue a ruling on the tire special security case. According to legal procedures, U.S. President Barack Obama will announce his final decision on the case by September 17.

Prior to t

Gear pump wear parts how to repair?

(1) gear wear repair

The wear parts of the gear are mainly the meshing of the teeth, the involute face and the two ends of the gear. Slight wear, the tooth surface can be whetstone grinding, both ends of the flat grinding on the flat light. Serious wear gear teeth should be r

February 20 Xi'an steel market price quotes

Product Name Specification Material Steel/Origin Price (yuan/ton) Than yesterday last week General line Φ6.5mm Q235 Wine and steel 4500 0 100 100 General line Φ6.5mm Q235 Handan Steel 4500 0 100 100 High line Φ6.5mm Q235 Handan 4630 0 160 160 high line Φ6.5mm Q335 4680 30240 190 h