Contact Tekway Technologies Co., Ltd Tekway Technologies Co., Ltd, Headquarter Tekway R&D Building, No. 3756, NanHuan Rd. BinJiang District, Hangzhou, 310053 (China) Tel: (86) 571 8886 1158 (ext:3010) Fax: (86) 571 8885 0923 Email: sales@tekway.net Hours: Monday to Friday, 8:30am to 5:00pm Beijing time

Product purchase, for sales, quotes, refund and return International sales department, Tekway Technologies Co., Ltd 10F, Tekway R&D Building, No. 3756, Rd. NanHuan BinJiang District, Hangzhou, 310053 China Tel: (86) 571 8893 5967 Fax: (86) 571 8885 0923 Mobile:(86)15988160673  Email: support@tekway.net HOURS：Monday to Friday, 8:30am to 5:00pm Beijing time

For product & accessories “select and compare”, repair and calibration Technical support Department, Tekway Technologies Co., Ltd 9F, Tekway R&D Building, No. 3756, Rd. NanHuan BinJiang District, Hangzhou, 310053 China Tel: (86) 571 8886 1158 (ext:2075) Fax: (86) 571 8885 0923 Email: sales@tekway.net HOURS：Monday to Friday, 8:30am to 5:00pm Beijing time