Our company Nantong Allman Industry Co., Ltd has focused on exporting top quality lifting and material handling equipment . We have a professional team which has been in lifting industry for over 10 years with rich experience. After years effort , with superior quality of products as well as excellent service , now , we have became the leading supplier , who can provide all series of lifting devices in China. Today , customers are able to get wide range of lifting equipment and tools from us, products include : cranes , electric hoist , manual hoist , winches , beam trolleys , lifting magnets , lifting clamps , load skates , chain & slings , steel wire rope , ladders etc .
The lifting machinery used in the construction of the bridge is generally separable according to its construction and performance.
In October 2011, the overall sales trend of China's construction machinery industry remained unchanged.
In 10 BC, the ancient Roman architect Vitruvius described a lifting device in his architectural manual.
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