Hefei 

Anhui Duma technology Co., LTD

Tel: 13645510189
Address: 16th Floor, No.7699, Bustling Avenue, Hefei Economic and Technological Development Zone

Chengdu

Duma Technology Chengdu branch

Tel: 15656055578
Address: 1106 Dayuan International Center, Tianfu Third Street, High-tech Zone, Chengdu

Shanghai

Duma Technology Shanghai branch

Tel: 18018666275
Address: Room 301, Building 6, Lane 5261, Hunan Gong, Pudong New Area, Shanghai

Chongqing

Duma Technology Chongqing branch

Tel: 13883489069
Address: No. 31, 2nd Floor, Building 3-2, Fuli Bay C7 Xingyu, No. 59 Foodcheng Avenue, Yubei District, Chongqing