Tower cranes

Introduction: We often see the emergence of tower cranes in buildings. The tower cranes are called tower cranes. It can be seen from the name that the main material is lifting materials, which can be horizontal transport or vertical transport.

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Super Truck's Dynamic Gene Cummins X12 Engine Officially Lands in China

On March 26, 2017, the first 1000 Auman EST Super Truck Delivery Ceremony was held at the Beijing Super Truck Training Experience Center under the theme of “breakthrough technology to lead the future”. At the delivery ceremony, the new generation of X12 power

January 4 Shanghai Steel Market Price Quotes

Product name Specification Material Steel / Origin Price (yuan/ton) Than yesterday last week General line Φ6.5mm Q235 Handan 4400 0 90 General line Φ6.5mm Q235 Jiuquan 4400 0 90 High line Φ6.5mm Q235 Pinggang 4550 0 90 High Line Φ6.5-8mm Q235 Beitai 4540 0 90 High Line Φ6.5-8m

Understanding Liquid Hydrogen Fuels



Although liquid hydrogen has a high storage requirement, it must be guaranteed to remain liquid at -250°C, otherwise it will vaporize and evaporate, but t