Mobile phone: +86 0 15611039483
WeChat: changgua
Email: services@extratrans.com
Website: http://www.ExtraTrans.com
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Address: 北京市朝阳区南郎家园18号楼恋日国际1210室（邮编100022）
Room 1210, Sun Thirsty Building, #18 Building, Nanlang Jiayuan, Chaoyang District, Beijing 100022, China