Yungang Grottoes Test

From May to June 2011, Chen Xu, an engineer from AMT (China) Co., Ltd. was invited by Yungang Grottoes Research Institute to carry the company’s portable equipment to the Yungang Grottoes in Datong, Shanxi several times for testing. Through this test, the basic data for the grotto test was obtained. On this basis, the company team designed a set of restoration design plans.