Company: Beijing Cheng-cheng Weiye Ultrasonic Science & Technology Co.,LtdAddress: 22A, Dingheng Center Building, No.45 Fengtai North Road, Fengtai District, BeijingTel: 0086-10-63818120, 0086-10-63810824, 86-18600524782Fax: 0086-10-51112989Website:http://www.bjccwy.com