Asian petrochemical margins are approaching mid-cycle, and a recovery in the chemicals sector is beginning to emerge

Overview

This report focuses on the recovery of the Asia-Pacific chemicals and petrochemicals industry. The core view is that Asian petrochemical cracking margins have already approached mid-cycle levels, with supply-side capacity exits and delayed new capacity improving industry discipline, while companies’ capex cuts, free cash flow recovery, and declining net debt create an opportunity for market multiples to begin reflecting the recovery cycle.

Core views

The report argues that the portion of the recent margin peak driven by cost inflation may pull back, but about half of the margin rebound is sustainable. The cash cost curve of China’s private integrated oil-chemical companies may shift upward due to changes in access to non-sanctioned crude, benefiting other Asian producers. Over the next 18-24 months, as capacity additions slow, capex continues to be revised down, and cash flow improves, the industry is expected to move back toward mid-cycle earnings.

Analysis framework

The analytical framework combines industry cycles, supply discipline, feedstock cost curves, capex, and free cash flow recovery, while using company-level SoTP, DCF, P/E, and P/B methods to assess key names. The report also combines industry views with stock selection, favoring companies on the naphtha route with domestic market support and advantages on the cost curve.

Methodology notes

• Valuation methodSOTP

  Sum-of-the-parts valuation

  For diversified petrochemical leaders, different business segments are valued using peer multiples or cash flow methods, then summed to derive the target price.

• Valuation methodDCF

  Discounted cash flow

  China Petroleum & Chemical Corp.'s exploration and production business is valued using DCF, assuming a WACC of 9.6% and a terminal growth rate of 0.0%, corresponding to HK$2.25/share.

• Valuation methodP/B

  Price-to-book valuation

  Siam Cement uses 2026e tangible book value with a 1.2x P/B; Sinopec’s refining business uses 0.8x 2026e P/B, and its chemicals business uses 0.6x 2026e P/B.

• Valuation methodP/E

  Price-to-earnings valuation

  Mitsui Chemicals uses segment-specific P/E multiples of 9.0x, 13.5x, 12.5x, and 7.5x; Wanhua Chemical’s sustainable earnings of Rmb19bn use 15x P/E, while potential upside earnings of about Rmb5.1bn from supply disruptions use 10x P/E.

• Industry analysisMid-cycle earnings framework

  Use mid-cycle margins and cash flow to assess the industry’s recovery position

  The report compares current cracking margins, capex cuts, capacity closures, and free cash flow recovery to conclude that the industry is moving from trough conditions back toward mid-cycle earnings.

Asset mapping & comparison

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

• Asia petrochemicals/chemicals sector

  Core industry allocation direction

  Strengths

  Cracking margins are close to mid-cycle, free cash flow is recovering, capex is being revised down, and supply discipline is improving.

  Weaknesses

  Recent margin peaks may pull back, and the portion of the rebound driven by cost inflation may be hard to sustain.

  Comparison

  The report prefers naphtha-route producers, which have stronger earnings leverage to the recovery cycle than gas-route producers.

  Risks

  Demand falling short of expectations, insufficient capacity discipline, feedstock cost volatility, and a reacceleration in new capacity additions.

• China Petroleum & Chemical Corp. (0386.HK)

  One of the key OW names, Sinopec-H

  Strengths

  Refining, chemicals, marketing, and E&P businesses provide diversified earnings sources; upside factors include refinery utilization above expectations, oil prices above expectations, better-than-expected cost control, and stronger-than-expected chemical demand.

  Weaknesses

  The business is affected by volatility in refinery utilization, oil prices, macro demand, and cost and capex.

  Comparison

  Valuation uses a multi-segment framework, with E&P on DCF, refining and chemicals on P/B, and marketing on P/E.

  Risks

  Refinery utilization below expectations, economic growth and demand weaker than expected, oil prices below expectations, E&P costs and capex significantly above expectations, and stronger-than-expected competition from independent refiners.

• Mitsui Chemicals (4183.T)

  One of the key OW names

  Strengths

  Segment valuation shows the value of a diversified business portfolio; increasing market share in electronic chemicals is a potential upside factor.

  Weaknesses

  The business is sensitive to supply-demand and pricing of core products, oil prices, and the auto market.

  Comparison

  The target price uses SoTP, with mobility, life & healthcare, ICT, and basic & green materials assigned different P/E multiples.

  Risks

  A stronger yen would compress annual operating profit; deterioration in the auto market; major changes in supply-demand and pricing of core products such as phenol; large swings in oil prices.

• Wanhua Chemical (600309.SS)

  One of the key OW names

  Strengths

  The base of sustainable earnings is relatively strong; global supply disruptions and restocking demand could provide additional upside, and on-schedule penetration of new products is also a catalyst.

  Weaknesses

  High petrochemical prices may suppress demand and affect volumes and pricing.

  Comparison

  Sustainable earnings are valued at 15x P/E, while potential upside earnings from global supply disruptions are valued at 10x P/E.

  Risks

  Excessively high petrochemical prices causing demand destruction; persistent feedstock supply issues in LPG, naphtha, and others leading to deep losses.

• Siam Cement (SCC.BK)

  One of the key OW names

  Strengths

  If polyolefin margins improve, capacity cuts materialize, and new supply growth slows, valuation could be rerated with the recovery cycle.

  Weaknesses

  Margins in cement and packaging may remain weak, and capex in non-core businesses may drag on capital efficiency.

  Comparison

  The target price is based on 2026e tangible book value with a 1.2x P/B, reflecting rerating after confidence improves in the recovery cycle.

  Risks

  Limited signals of improved chemicals capacity discipline; weak cement and packaging margins; non-core segment capex above expectations.

Key data

• Report date2026-06-28 07:00 GMTDisclosure time on the cover page.
• Industry viewAttractiveThe Asia Pacific Industry View given in the report.
• Key OW namesSiam Cement、Mitsui Chemicals、Sinopec-H、Wanhua ChemicalThe report’s recommended allocation direction in Asia chemicals.
• Olefin capacity exitsAbout 10%About 10% of olefin capacity has been permanently shut, idled, or is in long-cycle maintenance over the past year.
• Capex expectationsMarket expectations for 2026-2028 cut by about halfThe report says investment in Asia chemicals will decline sharply over the next three years, and market capex estimates have been revised down significantly.
• Corporate capexDown about one-third over the past three quartersLower capex supports the recovery in free cash flow.
• Free cash flowStarted recovering over the past two to three quartersMost Asian chemical companies have begun reporting positive free cash flow, and free cash flow expectations for 2026/2027 continue to be revised upward.
• Scope of earnings recoveryIndia, Southeast Asia, and parts of the chemical value chainThe report says these regions and value chains are seeing an earnings upgrade cycle for the first time in nearly three years.
• Time to mid-cycle recovery18-24 monthsThe report expects a path for mid-cycle earnings power to re-emerge within 18-24 months.
• Sinopec valuation assumptionsE&P DCF WACC 9.6%; refining 0.8x 2026e P/B; chemicals 0.6x 2026e P/B; marketing 10x 2026e P/EFrom the valuation methodology and risk sections.

Impact & implications

If the report’s view plays out, the investment case for Asia chemicals will shift from a short-term margin rebound to recovery in cash flow and balance sheets. Investors may focus more on naphtha-route chemical companies with cost-curve advantages, support from domestic demand, improved capacity discipline, and shrinking capex, while remaining alert to pullbacks from margin peaks, weak demand, and feedstock supply disruptions.

Risks

• Margins retreat from recent peaks as cost inflation-driven support fades.
• Refinery utilization falls short of expectations.
• Economic growth and chemical demand are weaker than expected.
• Oil prices are below expectations or highly volatile.
• E&P costs and capex increase more than expected.
• Competition from independent refiners or second- and third-tier players is stronger than expected.
• High petrochemical prices cause demand destruction, thereby depressing volumes and prices.
• Persistent feedstock supply issues in LPG, naphtha, and others lead to widening losses.
• A stronger yen compresses profits of Japanese chemical companies.
• Deterioration in the auto market affects related chemical demand.
• Improvement in chemicals capacity discipline is not evident, and new supply reaccelerates.
• Margins in non-chemical businesses such as cement and packaging remain weak.

What to watch

• Changes in Asian petrochemical cracking margins and naphtha costs.
• Changes in the availability of non-sanctioned crude and their impact on the cost curve of China’s private integrated oil-chemical companies.
• Whether free cash flow expectations for 2026/2027 continue to be revised upward.
• Whether capex expectations for 2026-2028 continue to be revised downward.
• Closures, long-cycle maintenance, and delays in new capacity for olefins and polyolefins.
• Whether earnings quality exceeds expectations in the upcoming reporting season.
• Whether earnings upgrades continue in India, Southeast Asia, and parts of the chemical value chain.
• Siam Cement’s polyolefin margins, capacity cuts, and capital efficiency.
• Mitsui Chemicals’ electronic chemicals share and the impact of the yen exchange rate.
• Wanhua Chemical’s new product penetration, restocking demand, and feedstock supply stability.