The following is what I found. You can take a look. . Maybe Shanghai was authorized by Jiangsu. If you are sure about it, you can call Shanghai Yousheng’s e-mail address and ask.
Product name: Shanghai Yousheng ACS-30A series price-based electronic scale (the most cost-effective electronic scale). This model is hot-selling.... The direct selling price on Taobao is only 158 yuan
This is to certify that: this electronic scale is now produced by Jiangsu Qidong Youzhan Weighing Instruments, a branch of Shanghai Yousheng Co., Ltd.! The certificate of conformity is presented by Jiangsu Youzhan Weighing Instruments! !
The electronic scale with the highest brand quality and market share in China!
Fashionable, beautiful, durable, and the latest low-power design!
Origin: Qidong, Jiangsu Red Letter Electronic Pricing Scale