Address: Building 35, Lian Dong U Gu, No.780 Baoyuan Road, High-tech Zone, Qingdao, Shandong Province Switchboard: 400-036-7077 E-mail: service@hantek.com Tel: 0532-55678770, 55678772, 55678773 Postcode: 266000 Website: www.hantek.com Qingdao Hantek Electronics Co., LTD