r&d and manufacture
project contracting
trade and servicesengineering prospecting
(chalab.com.cn)
geotechnical engineering
general engineering survey
hydrogeological survey
geological disaster prevention
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geotechnical engineering study on beijing chaoyang gymnasium
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study and supervision on the foundation and deformation of the xi’an bell tower, in shaanxi province
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enviornmental, geological and disease prevention study for the buddhist temple in binxian county, shaanxi province
