Quality jaw plates lead construction global top

Quality jaw plates lead construction global top

Chinese contractors once again took the largest share of total revenues, at 23.2% or US$ 344 billion. They were followed by Japanese (14.2%, US$ 211 billion) and US (12.1%, US$ 179 billion) companies. Almost a quarter of the companies in the Top 200 were form the developing world. This was a record number, and their total revenues - US$ 460 billion, or 31% of the total - was also a record in terms of the absolute amount and the share of the top 200.
iC editor Chris Sleight said, "The slowdown in Chinese construction activity has clearly had an impact on this year's rankings, but there was still growth for many of the country's largest contractors last year. At the same time, we have seen improvements for global contractors focussed on key areas such as energy and resources, and we have also seen a surge for companies in key emerging markets - most notably Brazil, and to a lesser extent, India."
Working principle of jaw : The strip and strip pulley are driven by a motor, and the moving jaw moves up and down via eccentric shaft. The angle between fixed jaw and moving jaw becomes smaller when the moving jaw runs down, then the materials are crushed into pieces. It will become bigger when the moving jaw runs up. The moving jaw board leaves the fixed jaw board under the action of pole and spring, and then the end products come out from the crushing cavity. And also, Jaw crusher is always used as the Primary jaw crusher.
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An international jury of 11 trade specialists has chosen the winners of Intermat's Innovation Awards 2012, with the presentation of the awards taking place during a special ceremony.
In the civil engineering equipment sector, the gold award winner is Volvo Construction Equipment for its On Board Weighing (OBW) system for its F series haulers.
The OBW system is available for Volvo's full suspension haulers. The system monitors the input of weight on the machine from pressure sensors and relays this information to load software integrated into the machine's electronics.