Fair name：Sino-dental 2009.
    address：China International Exbition Center(CIEC).
             No.6 East Beisanhuandong Rd.
             ChaoyangDistrict,Beijing.
    Period: June 10-13,2009.
    Booth：No. A120, Hall 1 (Second Floor).
    Company name：Zhengzhou Yuanda Electronic Co.,Ltd.
    Product：B5 Ultrasonic scaler
             Polisher
             Clamp wrench
             Scaler tips
    salesperson：Shang 139 3719 3593
                 Vivian