A concrete mixer (often colloquially known as a cement mixer) is a device that uniformly mixes cement, aggregates (such as sand or gravel), and water to form concrete. A typical concrete mixer uses a rotating drum to mix the components. For smaller volume projects, portable concrete mixers are often

Concrete mixing transport trucksSpecial concrete trucks (in-transit mixer trucks) are used to mix concrete and transport it to the construction site. They can be loaded with dry material and water and mixed during transport. They can also be loaded from a "central blend" plant; in this process, the

In January this year, Weichai released the world's first intrinsic thermal efficiency 51.09% diesel engine, which is just 480 days after the last world record of 50.23% was set. This is equivalent to running into 9 seconds on the 100-meter track, breaking the limit again on top of a limit, further enhancing China's voice in the global internal combustion engine industry and causing a global industry shock.