广西桂林市恭城瑶族自治县大瑶山工地

Details：SANYOU | 2021-01-21

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Sanyou diamond technician do the test by SanYou core bit Yao Mountain Construction site, Gongcheng Yao Autonomous County, Guilin City, Guangxi Province

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13607833518(谢勇刚)

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