Daily Brief China: T&S Communications Co Ltd, WuXi AppTec , Silergy Corp, Modern Dental Group, PDD Holdings, Zenshine Pharmaceuticals (Nanjing) Group, TCL Electronics, Viomi Technology Co Ltd, Ugreen Group, China E-Information Technology and more

• ChiNext and ChiNext 50, respectively, represent the top 100 and top 50 A-share stocks listed on the ChiNext Market of the Shenzhen Stock Exchange.
• We expect 7 changes for the ChiNext index and 5 changes for the ChiNext 50 index in the December 2026 index rebal event.
• With just over two months remaining in the reference period, there is still room for the expected ADDs/DELs to change.

• CSI Medical Service represents the top 50 largest and most-liquid stocks involved in medical devices, medical care, medical informatization, and other medical theme from the Shanghai, Shenzhen and Beijing Exchanges.
• In this insight, we take a look at the potential ADDs and DELs for the semiannual index rebal event in December 2026.
• We expect 5 ADDs/DELs and we currently estimate one-way flow to be US$408mn.

• Management believes Data Center revenue could exceed 20% of total company revenue in 2027.
• The discussion around Smart Power Stage (SPS) products was one of the most encouraging aspects of the call.
• Automotive Business Entering a New Growth Phase: Growth is being supported by a combination of new customers, new product categories, and geographic expansion.

• Record H1 revenue of HK$2,032m, up 10.8%, with Europe now 53.8% of group sales and gross margin at 58.1%, the highest in the model’s semi-annual history.
• Margin gain looks structural, not currency-driven: net FX swung HK$38m against the group, yet net margin still rose to 18.4% due to digital mix and automation.
• Trading at 10.1x FY26e P/E, 6.3x EV/EBITDA, 3.0% yield, 21.5% ROE. Upside from debt repayment, further buybacks, and more acquisitions. 

• The death of the de minimis exemption has broken the pure cross-border e-commerce air-freight model.US customs codification in June 2026 and the EU’s July 2026 removal of the €150 threshold have forced a pivot to localized warehousing. This structural shift is the primary driver behind Shein’s massive valuation reset to $26.5 billion—down nearly 73% from its 2022 peak—and its $99 million net loss in Q1 2026.
• Temu’s pivot to the semi-managed model is a survival mechanism, not an optimization strategy. By forcing merchants to hold inventory in local overseas warehouses, Temu shifts inventory and tariff risks off its own balance sheet. However, this model reduces product variety (SKU tail), slows merchant onboarding, and compressed Temu’s global monthly active users (MAUs) by 11% year-over-year in July 2026 as high-friction logistics impacted user experience.
• PDD Holdings is hoarding a RMB 456.4 billion cash pile to fund a massive domestic and international structural transition. Instead of returning capital to shareholders, PDD is channeling resources into “Xin Pin Mu” (新拼木)—a RMB 100 billion three-year initiative launched in early 2026 to vertically integrate supply chains and build first-party self-operated brands. This capital allocation strategy aims to defensive-proof PDD against Alibaba and Douyin domestically while transitioning Temu from a price-driven marketplace to a value-driven brand platform.

• Zenshine Pharmaceuticals, founded in 2018, is a commercial-stage biopharmaceutical company developing therapeutics for viral infectious diseases, oncology, and inflammatory disorders. Its core product, sebaloxavir marboxil tablets, received NMPA approval.
• Zenshine’s core product, sebaloxavir marboxil tablets, was approved for adult influenza in July 2025 and adolescent influenza in June 2026.
• The company reported a loss of RMB209,268 thousand in 2025 and net liabilities of RMB(1,105,421) thousand as of June 30, 2026.

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• The proposed spin-off of TCL Electronics’ photovoltaic business (announced August 24, 2026) is a structural margin-enhancement play. While the PV segment drove massive topline growth (HK$21.06 billion in fiscal year 2025, or 18.4% of total revenue), its 8.6% gross margin severely diluted the core display business’s 16.5% gross margin. The transaction, structured as a distribution in specie, offloads a capital-intensive, working-capital-heavy residential solar operation onto its own listing.
• The HK$5.61 billion AeroWell acquisition (announced July 15, 2026) highlights severe governance friction and minority shareholder dilution. Sourced via connected parties, the transaction dilutes public shareholders by 12.6% through the issuance of 362.9 million new shares at HK$15.00 per share. The market’s negative reaction—causing an 11% share price drop on July 16, 2026—was driven by concerns that the transaction primarily served as a highly liquid exit for private equity backer CPE Group (which secured an estimated 170% ROI on its stake) rather than an immediately accretive consolidation of the air conditioning business.
• The Bravia Inc joint venture with Sony (announced March 31, 2026) represents a major consolidation that could propel TCL past Samsung as the world’s largest TV brand by volume. Sourcing panels through parent-controlled CSOT, the joint venture combines Sony’s high-end brand equity with TCL’s low-cost supply chain, giving the group a combined global shipment share of 16.7%, just ahead of Samsung’s 16.2%. However, realizing synergies depends on TCL’s ability to absorb significant restructuring and severance liabilities while winding down Sony’s underutilized legacy assembly plants in Malaysia and Japan.

• Viomi Technology released its first-half 2026 financial results, which showed that the company continues to be affected by the consumer spending slowdown in China and by demand pulled forward in 2025 due to national subsidies.
• Several major appliance manufacturers in China have reported similar 40-55% declines in year-over-year sales, and Viomi was not immune to the weak operating environment.
• We anticipate that the company will expand into new international markets in 2026, but we assume the market in China will remain challenging.

• Ugreen’s core growth has shifted from commoditized charging accessories to high-margin consumer Network Attached Storage (NAS), with its storage product segment reaching 1.23 billion CNY in 2025 (up 213.2% YoY) and 770 million CNY in H1 2026. This product-mix shift, alongside a 63.9 million CNY US tariff refund, drove gross margins to a record 38.4% in H1 2026.
• The company is facing severe working capital stress, characterized by negative operating cash flows of -35.33 million CNY in 2025 and -70.01 million CNY in H1 2026. This “dry income” is driven by aggressive stock-up requirements for the overseas expansion of complex products like NAS and a relaxation of credit terms for international distributors, pushing inventory turnover to 112.1 days in H1 2026.
• Unlike premium leader Anker, which maintains gross margins above 43% and invests heavily in R&D (2.89 billion CNY or 9.48% of revenue in 2025), Ugreen remains structurally reliant on marketing spend and outsourced ODM manufacturing. Ugreen’s sales expense rate remains high at 20.56% in H1 2026, while its R&D rate stands at just 6.26%, reflecting its historical positioning as a fast-following, lower-priced alternative to Anker.

• The Divergent Realities of Chinese Corporate Information Providers: The structural contrast between the failure of China E-Information Technology (delisted in 2023) and the commercial success of Sublime China Information (which filed for its second HKEX IPO on August 25, 2026) highlights that value in China’s corporate data market is concentrated strictly in proprietary, transactional, and workflow-embedded datasets, whereas generic online training and public-regulatory education platforms possess negligible pricing power.
• Severe Governance and Capital Allocation Risks in the GEM Space: China E-Information’s collapse was fundamentally a governance failure, culminating in the HKEX’s March 18, 2025 disciplinary actions against eight former directors. These directors authorized 97.0 million HKD in unauthorized, uncollateralized lending transactions that represented 66.0% of the company’s total assets, leading to an ultimate write-down of 84.0% of those receivables.
• Intensifying Regulatory Scrutiny on Cross-Border Data Flows: Industry leaders like Sublime China Information (301299.SZ) face growing compliance hurdles. The CSRC’s March 2026 regulatory inquiry specifically demanded detailed disclosures regarding whether its data collection methodologies violate China’s Data Security Law or involve the transmission of sensitive, industrial-grade data to foreign third parties.