Summary of the 2025 Annual Report

Important Notes

This annual report summary is derived from the full annual report. To fully understand the company's operational results, financial status, and future development plans, investors should carefully read the full annual report published in designated media by the China Securities Regulatory Commission. All directors attended the board meeting to review this report. The audit opinion from the accounting firm Notarized Tianye (Special General Partnership) on the company's financial report for the year is: standard unqualified opinion. Non-standard audit opinion reminder: □ Applicable ☒ Not applicable. The company was not profitable at the time of listing and has not achieved profitability currently: □ Applicable ☒ Not applicable. The profit distribution plan or capital reserve transfer plan reviewed by the board during the reporting period is: ☒ Applicable □ Not applicable. The profit distribution plan approved by the board is to distribute a cash dividend of 1.40 yuan (tax included) for every 10 shares based on 502,322,762 shares, with no bonus shares (tax included), and to transfer 0 shares from the capital reserve for every 10 shares to all shareholders. The board resolution on the preferred stock profit distribution plan for this reporting period: ☒ Applicable □ Not applicable.

Company Overview

1. Company Profile

   • Stock Abbreviation: Best
   • Stock Code: 300580
   • Stock Exchange: Shenzhen Stock Exchange
   • Contact Person: Secretary of the Board
   • Contact Information:
     • Name: Chen Bin, Deng Li
     • Office Address: No. 186, Lu'ou East Road, Hudai Industrial Park, Binhu District, Wuxi City
     • Fax: 0510-82475767
     • Phone: 0510-82475767
     • Email: zhengquan@wuxibest.com

2. Overview of Main Business or Products (1) Main Business Situation The company's business is divided into three major sectors based on its strategic layout of three-tier industries:

   1. Existing businesses including various precision components, intelligent equipment, and tooling fixtures.
   2. New energy vehicle components, focusing on lightweight structural parts, high-value-added precision components, and core components for natural gas fuel vehicles.
   3. Industrial mother machines and humanoid robots, with a comprehensive layout of linear motion functional components, including high-precision ball/roller screw pairs, micro screws, high-precision linear guide pairs, and linear actuators.

Since its establishment, the company has focused on the R&D, production, and sales of precision components and intelligent equipment and tooling products. The company has also leveraged its various first-mover advantages in the intelligent equipment and tooling field to extend its business into high-end aerospace equipment manufacturing, industrial automation equipment, industrial mother machines, and humanoid robots. From 2019 to 2020, the company successfully implemented the "Automotive Precision Components Project (Phase I)," expanding its product offerings to include automotive turbocharger compressor housings and aluminum alloy structural components for new energy vehicles. In 2020, to accelerate its layout in the new energy vehicle industry and further expand its business scale, the company successfully issued convertible bonds to unspecified objects, raising 530 million yuan to invest in the construction of a project with an annual production capacity of 7 million new energy vehicle functional components and turbocharger components, which reached the predetermined usable state in March 2022 and is currently fully operational.