KADEN Yasen Medical Electronics Co. ,Ltd Head office: Address:2/F, 3 Bldg, No.265 Changping Rd Gongbei, Zhuhai, Guangdong 519020  P.R. China Tel: 0756-8150012/8150188  FAX:0756-8151188 E-mail: webmaster@kadenyasen.com.cn Chongqing Office: Tel:023-86186608-2076 FAX:023-68636170 E-mail: export@kadenyasen.com.cn