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Beijing Jinghai Jiade Construction Engineering Co., Ltd. （North Gate）
- Строительная компания
Tongzhou
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China Foreign Construction General Company No.3 Engineering Bureau Metal Jiegou Company
- Строительная компания
Tongzhou
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China Construction Company Technology Group Co., Ltd. Ditan Engineering Center
- Дом и строительство
Tongzhou
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Jiangyang Architecture and Engineering Co., Ltd. Beijing Branch （West Gate）
- Строительная компания
Tongzhou
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Shaanxi Western Construction Engineering （Group） Company Beijing Branch Directly Under Engineering Department
- Строительная компания
Tongzhou