Welcome~Beijing Chengkong Xingye Technology Co Ltd
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Contact:
Phone: 18538565155
Tel: 0371-61317136， 010-82622828
Email: baiyanming@chktech.com.cn
Add: 108#, Section 2, Xianfeng Building, No.7 Shangdi Kaituo Road, Haidian District, Beijing City。
