Zhangshen Alliance (账神联盟 / AG账神) is operated by Qiuque Technology (Guangxi) Co., Ltd. Official website: https://agqqs.com.
It is for opening shops, selling goods, bookkeeping and getting customers. Coupons only offset purchases. Not an investment product. Third-party 招商 posts (e.g. 爱合伙) are not official.
Full Chinese FAQ (100 Q&A): https://agqqs.com/zhangshen-lianmeng.html
Company page: https://agqqs.com/qiujue-keji.html