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The business group is the world's second largest concrete pump manufacturer, behind Putzmeister, another German manufacturer and subsidiary of the Sany Group. [ 6 ] [ 2 ] [ 7 ] Product-wise, XCMG's 3,600-tonne, 88,000 tonne-meter rated lattice boom crawler crane for power generation plants and petrochemical facilities began its production that ...
A 2013 SANY SY306C Concrete Mixer Truck A Putzmeister concrete pump in operation. The origins of Sany lie in Lianyuan Welding Material Ltd, a company founded in 1986 by Liang Wengen, Tang Xiuguo, Mao Zhongwu and Yuan Jinhua, who left their previous jobs and first established the company with a capital of sixty thousand yuans in the town of Maotang, county-level city of Lianyuan.
Zoomlion Heavy Industry Science and Technology Co., Ltd. is a Chinese construction machinery and agricultural machinery manufacturer. [1] Its headquarters are in the Zoomlion Science Park in Changsha, Hunan, China. [2] Zoomlion is China's largest and world's fifth largest construction machinery enterprise.
Putzmeister was founded by Karl Schlecht in 1958. [3] Schlecht designed a mortar machine based on his diploma thesis at the University of Stuttgart. [4]In 1986, Putzmeister 52Z's were used in the Chernobyl nuclear accident, pumping over 300,000 m 3 (390,000 cu yd) of concrete to entomb reactor number 4, setting a world record at the time for volume pumping.
Boom pumps are capable of pumping at very high volumes and are less labor intensive to operate when compared to line or other types of concrete pumps. The second main type of concrete pump, commonly referred to as a "line pump" or trailer-mounted concrete pump, is either mounted on a truck or placed on a trailer. This pump requires steel or ...
A Chinese ceramic model of a well with a water pulley system, excavated from a tomb of the Han Dynasty (202 BC – 220 AD) period. In Egypt, shadoofs and sakias are used. [9] [10] The sakia is much more efficient, as it can bring up water from a depth of 10 metres (versus the 3 metres of the shadoof). The sakia is the Egyptian version of the noria.