What are the other series of Lenovo desktop computers besides Qitian, Yangtian, and Joy? What is the difference between them?

Lenovo's desktops include the following series, the difference is clear at a glance:

Desktop products:

Yangtian A series: excellent quality

Yangtian A series of products is designed for users of medium-sized enterprises with more than 100 people a product. It supports Intel AMT technology.

Yantian M Series: Mainstream Business

Yantian M Series is a product designed for SMB users with fewer than 100 employees.

Yantian T-Series: Practical and value-added

Yantian T-Series is an economical and practical platform product; its appearance is simple and elegant.

Local Tax Specialized Machine: Specialized for Local Taxes

Lenovo's special computers are designed specifically for users of general invoices, and are used exclusively for general invoice items for business users.

Specialized machine for national tax:Specialized for national tax

One-key invoicing is tailor-made for tax-control users, and it is specially used for the VAT anti-counterfeiting tax-control project of "Golden Tax Project" enterprises.

Commercial computers for large customers:

Desktop products:

ThinkCentre M series:

ThinkCentre M tower chassis series is based on the security and stability of commercial customers' application needs, and it is an energy-saving, environmentally friendly business office platform designed for enterprise-level customers. The tower chassis is the biggest advantage of the tower chassis, which can be flexibly customized for PC components such as hard drives, optical drives, memory, expansion cards, etc. With the three top features of high quality, green, and easy management, ThinkCentre M tower chassis series transforms green into competitiveness of the enterprise, and helps customers to achieve sustainable development.

Qitian Series:

Qitian Series has three top features:

Energy-saving: fully passed the national energy-saving certification, ultra-low-power consumption monitors, certified by the National Energy Efficiency Labeling Level 1, with an energy-saving efficiency of up to 30%;

Environmentally friendly: passed the China's RoHS (lead-free) certification, reducing the environmental The whole machine passed the State Environmental Protection Administration's 10-ring certification;

Health: the keyboard and mouse are made of antibacterial materials to avoid bacterial adsorption (antibacterial rate of 99%); after rigorous testing, to ensure that the computer in the use of the process, there is no harmful substances evaporation. The host passes the highest level of national electromagnetic radiation (Class B) standards.