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西部大开发为国内工程机械生产企业创造了商机。图为山推工程机械股份有限公司为西气东输研制的国内起重量最大的ＤＧ７０吊管机，在位于青藏高原的涩宁兰输气管线建设工地施工的情景。图片新闻@王林泽
The western development has created business opportunities for domestic construction machinery manufacturers. The picture shows Shantui Construction Machinery Co., Ltd. for the West-East Gas Pipeline developed the largest lifting DG70 pipelayer, located in the Qinghai-Tibet Plateau Shing Ning Lan gas pipeline construction site construction scene. Image News @ Wang Linze