chongqing xulai surveying and mapping co., ltd. specializes in the sales and leasing of surveying and mapping instruments, importing
guangxi south china geotechnical engineering group co., ltd. was established in february 2012 with a registered capital of 30 million yuan. the company is mainly engaged in geotechnical engineering survey and design, hydrogeological survey, engineering survey, engineering geophysical exploration, professional contracting of foundation engineering, special engineering contracting, professional contracting of earth and stone engineering, deep foundation pit and high slope support engineering, engineering precipitation, foundation inspection, underground pipeline detection, geological disaster risk assessment, geological disaster management (exploration, design, construction) engineering and geological exploration and other related fields, involving housing construction, municipal, transportation, energy, hydropower, communications, natural resources and other industries. contact number: 0771-3306180

civilized gaolan

one of the important infrastructures of the times. based on beidou satellite system (compatible one of the important infrastructures of the times. based on beidou satellite system (compatible

one of the important infrastructures of the times. based on beidou satellite system (compatible

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