To: Shenzhen Stock Exchange
In accordance with the requirements of the "Audit Inquiry Letter Regarding the Application for Issuance of Shares to Specific Targets by Jiangsu Riju Optoelectronic Co., Ltd." (Audit Letter [2026] No. 120027) (hereinafter referred to as the "Audit Inquiry Letter") issued by your exchange on May 11, 2026, Jiangsu Riju Optoelectronic Co., Ltd. (hereinafter referred to as "Riju Optoelectronic," the "Issuer," or the "Company"), in conjunction with CITIC Securities Company Limited (hereinafter referred to as the "Sponsor" or "Sponsor Institution"), Rongcheng Certified Public Accountants (Special General Partnership) (hereinafter referred to as the "Reporting Accountant" or "Rongcheng"), and Shanghai AllBright Law Offices (hereinafter referred to as the "Issuer's Counsel" or "AllBright"), has conducted a line-by-line verification and implementation of the issues listed in the Audit Inquiry Letter in the spirit of diligence, duty, and integrity. The response is as follows for your review.
The fonts used in this Audit Inquiry Letter response report represent the following meanings:
| Issues listed in the Audit Inquiry Letter | Bold |
|---|---|
| Response to the issues | Songti |
| Citations from the Prospectus | KaiTi (not bold) |
| Modifications and supplements to the Prospectus | KaiTi (bold) |
Unless otherwise specified, the definitions of abbreviations or terms in this response report are consistent with those in the "Jiangsu Riju Optoelectronic Co., Ltd. 2026 Annual Prospectus for Issuance of A-Shares to Specific Targets." The data listed in this response report may differ slightly from the results calculated directly from the relevant individual data due to rounding.
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Question 1
According to the application materials, during the reporting period, the company's net profits were -16.5826 million yuan, 67.4742 million yuan, and 104.5451 million yuan, respectively. The net profit in 2023 was negative, while 2024 and 2025 showed rapid growth. According to the recently disclosed "2026 First Quarter Report," the operating income for the first quarter of 2026 declined by 7.71% year-on-year, and the net profit attributable to the parent company declined by 63.06% year-on-year.
The gross margin of the company's main business was 22.16%, 26.75%, and 32.58%, respectively, showing an upward trend. The gross margin of the company's core products fluctuated significantly, among which the gross margin of OCA optical adhesive products was -11.12%, -1.32%, and -6.53%, remaining negative.
The Issuer is requested to supplement and explain: (1) Combining industry cyclical changes, downstream market demand, product prices, etc., analyze the reasons for the negative net profit attributable to the parent in 2023, the growth in 2024 and 2025, and the year-on-year decline in net profit in the first quarter of 2026; whether the income change trend is consistent with comparable companies in the same industry; whether the factors for the performance decline in the first quarter of 2026 will continue to affect the company's performance, and future improvement measures. (2) List the trend of gross margin by core product category during the reporting period, compare with comparable companies in the same industry, and explain whether the differences and trends in the gross margin of the company's core products are reasonable. The reasons for the continuous negative gross margin of OCA optical adhesive products. (3) Combined with the specific situation of relevant financial statement items, explain whether the issuer held large financial investments (including quasi-financial businesses) at the end of the most recent period, and whether it complies with the relevant provisions of the "Opinion on the Application of Securities and Futures Laws No. 18" and the "Guidelines for the Application of Regulatory Rules - Issuance Category No. 7"; the specific situation of financial investments implemented or planned to be implemented by the company from six months before the board resolution date of this issuance to the present, and whether they have been deducted from the proceeds of this issuance.