Table of Contents
Shield tunnel boring machine is a kind of specialized engineering machinery for tunneling. Currently it is widely used in the construction of subway, railway, road and hydropower projects. With the trend of three-dimensional cities and pipelines buried underground, output of China’s shield tunnel boring machines reached to 141 units in 2012, with sales revenue harvesting CNY 7.045 billion.
In recent years, domestic shield tunnel boring machine enterprises are growing stronger by joint venture production contract, technology import, independent R&D and mergers and acquisitions, around 30 excellent shield tunnel boring machine producers have established, such as, Northern Heavy Industries Group Co., Ltd., China Railway Tunneling Equipment Co., Ltd., Shanghai Tunnel Engineering Co., Ltd., Qinhuangdao Tianye Tolian Heavy Industry Co., Ltd. and Chengdu CSR Tunneling Equipment Co., Ltd., etc. Of which, Northern Heavy Group Co., Ltd., China Railway Tunneling Equipment Co., Ltd., and Shanghai Tunnel Engineering Co., Ltd. are positioned in the first echelon, and their market shares have occupied half of total national market shares.
As for the supply situation of existing shield tunnel boring machine enterprises, production capacity of most enterprises is about 10 units to 20 units, therefore, supply capacity of domestic shield tunnel boring machine enterprises is at least 200 units at least. With rising number of domestic various tunneling projects, more enterprises will enter this industry, so product supply capacity will continue to grow.
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