Coal Machinery: Multiple Factors Promote Demand Growth

Coal is an important one-time energy source in China. The energy characteristics of “rich coal, lean oil, and low gas” in China determine that coal accounts for a large proportion of the primary energy consumption structure in China. In 2007, China's coal, oil, and natural gas

July 2 Baotou Steel Market Price Quotes

Product name Specification Material Steel/Origin Price (Yuan/Ton) Than yesterday's last week High Line Φ6.5mm Q235 Baotou Steel 5900 0 100 -20 High Line Φ6.5mm Q235 Xuanhua 5900 0 100 -20 Rebar Φ12mm HRB335 Xuan Gang 5920 70 170 -60 Rebar Φ16-25mm HRB335 Xuan Gang 5530 30 80 -

Henan Oilfield screw pump shaft technical benefits

A few days ago, Henan Oilfield metering application of oil metering screw pump bearing technical transformation to be successful, to solve the problem of crude oil production.

The screw injection pump is an important equipment for oilfield metrology station for injectio