*ST天微 (688511)

1. Key Indicators

• Total Shares(W): 10282.91
• Circulating A-Shares(W): 10282.91
• Earnings Per Share(RMB): 0.4008
• Net Assets Per Share(RMB): 8.2715
• Operating Revenue(W RMB): 12810.77
• Total Profit(W RMB): 4331.77
• **Net Profit Attributable to Parent(W RMB) **: 4101.51
• Net Profit Growth Rate(%): 550.37
• Weighted Return on Equity(%): 4.6600
• Operating Cash Flow Per Share(RMB): -0.2130
• Undistributed Profit Per Share(RMB): 1.7864
• Capital Reserve Per Share(RMB): 5.1076

---

2. Main Business

The main business covers:

• New fire extinguishing and explosion suppression systems
• Three-proof collection drive devices
• Lithium battery fire warning and intelligent prevention systems
• Airborne optical flame detection control systems
• Purple-infrared detectors
• High-energy aviation ignition and discharge devices
• High-precision fuse devices

---

3. Company Basic Information

• Company Name: Sichuan Tianwei Electronics Co., Ltd.
• Listing Date: 2021-07-30
• Industry: Computer, Communication and Other Electronic Equipment Manufacturing
• Address: No. 233, Wulian 1st Road, Huangjia Street, Southwest Aviation Port Economic Development Zone, Shuangliu District, Chengdu City, China (Sichuan) Pilot Free Trade Zone
• Website: https://www.sctwdz.cn
• Company Profile: On February 24, 2020, Sichuan Huaxin (Group) Accounting Firm (Special General Partnership) issued the "Audit Report No. Chuanhuaxinshen (2020) 0085", which audited Tianwei Limited's net assets of 135.0157 million RMB as of the share reform base date of November 30, 2019. On February 28, 2020, Guozhonglian Assets Appraisal Land and Real Estate Appraisal Co., Ltd. issued the "Assets Appraisal Report No. Guozhonglianpingbaozi (2020) 2-0081", confirming the assessed value of Tianwei Limited's net assets as 214.0378 million RMB as of the appraisal base date of November 30, 2019. On February 29, 2020, Tianwei Limited held a shareholders' meeting where all shareholders unanimously agreed to convert Tianwei Limited into a joint stock limited company using November 30, 2019, as the base date. All shareholders became the sponsoring shareholders of the joint stock limited company, converting the audited net assets of 135.0157 million RMB as of November 30, 2019, at a ratio of 2.250261:1, with 60 million RMB credited as share capital and the remaining 75.0157 million RMB credited as capital reserve. The company was wholly transformed and established as a joint stock limited company. On the same day, all shareholders of Tianwei Limited signed the "Sponsor Agreement" as sponsors. On March 6, 2020, the company held its founding meeting and the first shareholders' meeting, electing the first board of directors and the first board of supervisors. Sichuan Huaxin (Group) Accounting Firm (Special General Partnership) reviewed the conversion of net assets after the overall transformation and issued the "Capital Verification Report No. Chuanhuaxinyan (2020) 0017". On March 9, 2020, the company completed the industrial and commercial registration for the overall transformation into a joint stock limited company and obtained the changed "Business License of Enterprise Legal Person" issued by the Chengdu Market Supervision Administration.

---

4. Top 10 Circulating Shareholders

Rank	Institution Name	Institution Type	Shares Held (W)	Percentage Held (%)
1	Nanjing Haohaiyue Information Technology Consulting Center (Limited Partnership)	General Legal Person	60.23	0.59

---

5. Concept Sectors

• National Defense and Military Industry
• ST Sector
• Military Information
• Specialized, Refined, Peculiar, and New Enterprises

---

Remarks

• Data update date: 2025-09-30
• Data source: Public Market Information