Contact us
- Username:Mr. Kui Xu ()
- Telephone:86-10-87581883
- Mobile phone:15301070089
- Email:
- Fax:86-10-87581933
- Address:Beijing Beijing Room 2-1103, 11th Floor, No. 16 Building, Yichengyuan, Chengnan Jiayuan, Fengtai District
- Postal code:100068
- Website: http://www.jydm.com