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SCG Reshapes Building Materials Amid Chinese Competition; Thai Market Uneven

Siam Cement Group (SCG) is overhauling its building materials business. This responds to increased competition from Chinese manufacturers in Southeast Asia, who benefit from economies of scale and less stringent regulations. SCG focuses on high-value, green products and new export markets.

By Daniel SimPublished 19 August 20262 min read
Photo: 勇 方 / Pexels

SCG Counters Regional Competition

Siam Cement Group (SCG) is reshaping its building materials business model. This strategic shift addresses heightened competition from Chinese manufacturers across Southeast Asia. These foreign factories often operate with fewer regulatory burdens and lower quality standards, according to Wiroat Rattanachaisit, SCG Cement-Building Materials chief commercial officer.

China's ability to leverage economies of scale allows its producers to export massive volumes of low-cost goods, flooding regional markets and pressuring domestic industries. SCG operates in Thailand, Vietnam, and Indonesia.

Strategic Focus on Value and Efficiency

SCG's solution-driven strategy concentrates on several key areas. These include cost reduction, operational efficiency, high value-added products, green product development, renewable energy adoption, artificial intelligence, and automation. The company's portfolio now comprises 50% high value-added products and 30% green products.

SCG also expands into new export markets, shipping building materials to Australia and low-carbon cement (600,000–700,000 tonnes annually) to the US.

Uneven Thai and Regional Construction Outlook

SCG expects Thailand's construction sector to strengthen in the second half of 2026. This growth will be supported by government budget disbursements and infrastructure investment projects. Government infrastructure investments will continue driving demand for cement and building materials, alongside steady growth in repair projects.

However, the private real estate sector is slowing, with mortgage rejection rates exceeding 50% for homes priced under 3 million baht. Thailand's cement industry also faces oversupply, with 75 million tonnes of installed capacity but only about 30 million tonnes of annual output.

Why it matters

Regional markets remain uneven. The southern construction sector is weighed down by a stagnant hotel segment and sluggish luxury villa projects. Declining tourism from China, Malaysia, Europe, and Russia, compounded by rising travel costs, contributes to this slowdown.

Wiroat Rattanachaisit states that SCG has called on the Thai government to implement stricter measures and increase inspections of Chinese factories in Thailand. This demonstrates a push for more equitable enforcement of environmental and quality standards, which could alter competitive dynamics for regional building materials producers.

This article is journalism, not investment advice; consult a licensed professional before making financial decisions. Market data is indicative, may be delayed, and should be verified with your broker or exchange before use.

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