DIOO plans to acquire 100% equity of Rongpai Semiconductor, stock resumes trading

According to the announcement from DIOO (688381.SH), the company plans to acquire 100% equity of Rongpai Semiconductor held by 16 shareholders including Dong Zhiwei through the issuance of shares and cash payment, and raise supporting funds. The company's stock will resume trading on October 21, 2025 (Tuesday) at the market opening. The target company, Rongpai Semiconductor, also focuses on the design, research and development, and sales of high-performance, high-quality analog chips. The products of the target company include a series of products such as digital isolators, isolation interfaces, isolation drivers, isolation sampling, and optical MOS, which are applied in various fields such as automotive electronics, industrial control, new energy, smart meters, and smart home appliances. The target company has achieved breakthroughs in domestic isolation chips through its innovative capacitive intelligent voltage divider technology (iDivider technology) and has obtained multiple invention patents in the isolation field. Both the listed company and the target company belong to the analog chip design industry, and mergers and acquisitions are key means to strengthen and expand the analog chip industry. After this transaction, the listed company can quickly layout the isolator product category through this transaction and upgrade the product matrix of the listed company by rapidly applying, absorbing, and transforming the target company's mature patent technology and R&D resources, quickly expanding the company's product categories, further enhancing competitive advantages, and providing more complete solutions for more downstream customers. At the same time, the rich customer resources accumulated by the target company in various fields such as automotive electronics and industrial control are a beneficial supplement to the customer structure of the listed company, which can fully share the aforementioned customer resources to provide various high-performance analog chip products for customers in more application fields, improving the breadth and depth of customer coverage of the listed company and significantly enhancing overall market competitiveness