Wu Zhangjian: 18588889661 (CEO) Wang Xiaopei: 18588882771 (Deputy General Manager) Domestic Sales: 18577777708 International Sales: 18588888786 Email: 452850601@qq.com Company Address: No. 2, East Yuzhuang Street, Zhusan Village, Baiyun District, Guangzhou City, Guangdong Province, Baikan Drilling Industrial Park