The registered address of Shanghai Sahan Testing Technology Service Co., Ltd. is Room J670, Building 1, No. 2222 Huancheng Road, Juyuan New District, Jiading District, Shanghai. The registration authority is Jiading District Market Supervision Bureau, and the legal representative is Peng Bing. The business scope includes technology development, technology transfer, technology consulting, technology services, enterprise management consulting, translation services, conference services, exhibition and display services, cargo transportation agency, and engaging in import and export of goods and technology in the field of testing technology. Projects that require approval by law must be approved by relevant departments before conducting business activities