Yinsheng's down payment of 397 yuan is not refundable, which is inconsistent with what the salesman said. In this case, you can complain on the black cat complaint platform to safeguard your rights and interests.

Yinsheng Payment Service Co., Ltd. was established on July 5, 2009. The address is 50 1, 5th floor, Yuan Jing Jiayuan, No.997, Xinqu Avenue, Zhi Min Street, Longhua District, Shenzhen, and the legal representative is Chen Min. The business scope includes general business items: technical development of electronic payment systems, smart cards and electronic products (excluding restricted items); Air ticket agent (including air tickets, train tickets and other tickets, excluding restricted items); Business consultation, marketing planning and promotion, economic information consultation, technical and commodity information consultation; Enterprise management consulting and investment consulting (excluding securities, futures, insurance and other financial services and other restricted items); Engaged in import and export business (except for items prohibited by laws and administrative regulations; Projects restricted by laws and administrative regulations can only be operated after obtaining permission); Technical development and maintenance services of automatic payment terminal services (utilities such as water, electricity, gas and housing management fees) and mobile POS services; Engaged in advertising business (if laws and administrative regulations stipulate that advertising business should be approved and registered, it can only be operated after being approved and registered separately); Engaged in information technology and business process outsourcing services such as system application management and maintenance, bank back-office services and data processing. (Except for projects prohibited by laws, administrative regulations and the State Council, restricted projects can only be operated after obtaining permission); Domestic trade (excluding franchised, controlled and monopolized commodities); Welfare product design and business plan planning and related business agency services (excluding personnel, labor and administrative examination and approval matters of relevant competent departments). Non-residential real estate leasing; Housing lease; Mechanical equipment leasing; Rental of computer and communication equipment; Office equipment rental service; Counter and booth rent; Self-owned real estate business activities; Special equipment leasing; Charging control equipment lease.