Shanghai headquarters

Domestic: 400 091 0901

Overseas: +86 21 65061377   Mobile: +86 17701697687

Sales Department: +86 21-65671537 

                             +86 21-65671568

                             sales@yishixin.cn

Customer Service: +86 21-65061377

                             service@yishixin.cn

Address: Room B118, Building 1, Urban Concept Industrial Park, No. 619 Longchang Road, Yangpu District, Shanghai

Nanjing R&D Center

Technical support: techsppt@yishixin.cn

Address: Room 310, Building 1, No. 9 Zhishi Road, Qilin Science and Technology Innovation Park, Jiangning District, Nanjing City