((Tel: 88366649 Address: No.2-59, Yuanzhongyuan, Beiqijia Town, Changping District, Beijing Postal Code: 102209 Fax: 8836693))
((Tel: 0 10-69749772 Address: Building 6, Changshengyuan District 3, Changping District, Beijing Postal Code: 102200 Fax: 0 10-69749772))