WinWay Technology: Rising AI chip complexity and capacity expansion plans support demand for test interfaces

Overview

This report is Morgan Stanley's feedback from Asia AI Summit 2026 on WinWay Technology Co Ltd (6515.TW), focusing on the impact of rising AI chip complexity on demand for test interfaces, the premiumization strategy for burn-in sockets, and the Renwu capacity expansion plan. The report also discloses the valuation methodology, upside and downside risks, and research compliance and conflict-of-interest statements.

Core views

The core view is that larger package sizes, longer testing time, and higher socket pin counts will continue to drive demand for test interfaces; additional testing steps such as SLT and functional burn-in further expand WinWay's market opportunity; and the company's capacity expansion plans and higher pogo pin self-sufficiency over the coming years may improve supply capability and partially offset incremental depreciation. The report remains focused on demand from AI and edge AI, products such as hypersockets and MEMS probe cards, and the pace of adoption.

Analysis framework

The report is mainly based on conference feedback, management's capacity planning, demand drivers in the test interface industry, target price history, and Morgan Stanley's valuation framework. On the demand side, it observes packaging complexity, testing duration, socket pin counts, and the adoption of SLT and burn-in; on the supply side, it tracks the production ramp of Renwu facilities, monthly pogo pin capacity, and self-sufficiency targets.

Methodology notes

• valuation methodResidual income model

  target price derivation

  Morgan Stanley says it uses a residual income model to derive the target price because this method better captures long-term value; key assumptions include a 9.14% cost of equity, 2.0% risk-free rate, 5.5% risk premium, 80% payout ratio, 16.4% mid-term growth rate, and 4.5% terminal growth rate.

• research data frameworkMorgan Stanley ModelWare

  model metric basis

  The table notes that unless otherwise stated, all metrics are based on the Morgan Stanley ModelWare framework.

• consensus estimate sourceRefinitiv Estimates

  market consensus expectations

  The report states that consensus data is provided by Refinitiv Estimates, and some metrics are based on consensus methodology.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

• WinWay Technology Co Ltd (6515.TW)

  primary company covered by the report

  Strengths

  Benefits from rising AI chip complexity, longer testing time, higher socket pin counts, additional testing steps such as SLT and burn-in, and targets for expanding pogo pin capacity and improving self-sufficiency.

  Weaknesses

  New capacity construction may bring depreciation pressure; burn-in sockets have not historically been the company's focus, and expansion into the premium market still needs validation.

  Comparison

  Compared with general semiconductor cycle discussions, the report is more focused on segment-specific drivers such as test interfaces, hypersockets, MEMS probe cards, SLT, and burn-in sockets.

  Risks

  Slower-than-expected adoption of hypersockets and MEMS probe cards, slower-than-expected adoption of SLT and burn-in sockets, and insufficient edge AI demand in the coming years.

• semiconductor test interface supply chain

  related industry chain exposure

  Strengths

  Larger advanced chip packages, longer testing time, and higher pin counts may increase the value and demand elasticity of test interfaces.

  Weaknesses

  Demand depends on downstream AI and edge AI application rollout, and the competitive landscape may diverge between high-end and low-end products.

  Comparison

  Compared with price competition in low-end burn-in sockets, premium burn-in sockets and complex test interfaces are more likely to reflect technological and capacity barriers.

  Risks

  If adoption of advanced testing steps slows or AI demand falls short of expectations, industry incremental growth may be lower than expected.

Key data

• report date2026-06-01The main body of the report shows the publication time as June 1, 2026 12:23 AM GMT.
• covered companyWinWay Technology Co Ltd (6515.TW, 6515 TT)Both the report title and chart captions point to this Taiwan-listed company.
• change in socket pin countfrom 4-6k to above 10kManagement expects this trend to continue over the next few years as chip complexity rises.
• pogo pin capacity target for test sockets9 million/month by end-2026; 14 million/month in 1H27Mainly from Renwu Facility 1, with Renwu Facility 2 expected to start in 2Q27.
• current pogo pin self-sufficiencyabout 35-45%Management's long-term target is 50-60%.
• target price history2026-04-17: 12000; 2026-05-27: 15000Source is chart title text; the extracted content does not specify the currency.

Impact & implications

If AI chip complexity, edge AI demand, and the adoption of advanced testing steps progress as management expects, WinWay may benefit from the expansion of test interface TAM and opportunities in premium burn-in sockets. Capacity expansion improves revenue fulfillment capability, but investors also need to assess incremental depreciation, product adoption timing, low-end price competition, and demand realization risks.

Risks

• Adoption of hypersockets and MEMS probe cards is slower than expected.
• Adoption of SLT and burn-in sockets is slower than expected.
• Edge AI demand is insufficient in the coming years.
• There is price competition in the low-end burn-in socket market, and the effectiveness of the company's move toward the high-end market remains to be seen.
• Capacity expansion may bring depreciation pressure and will need higher self-sufficiency and demand growth to offset it.
• Morgan Stanley discloses that it may have business dealings with the covered company, and investors should treat this research as only one of the reference factors in investment decisions.

What to watch

• Whether test socket pin counts continue to rise from above 10k to even higher levels.
• The adoption pace of SLT, functional burn-in, and premium burn-in sockets.
• The production progress of Renwu Facility 1 and Renwu Facility 2, and whether monthly pogo pin capacity reaches the targets of 9 million and 14 million.
• Whether pogo pin self-sufficiency can rise from 35-45% to the long-term target of 50-60%.
• Whether edge AI demand materializes in the coming years.
• Whether subsequent ratings, target prices, and 12-18 month earnings assumptions are updated.