1. A Long-Standing Structural Deficit

Guangdong is China's largest manufacturing province, yet its petroleum, coal and fuel processing industry long lagged behind that status. For decades the provincial refining landscape was dominated by a single player — Maoming Petrochemical — while other sites remained modest in scale. Downstream chemical conversion capacity was far below upstream crude throughput, a gap the industry characterised as "big oil-head, weak chemical-tail."

This changed decisively after 2017. CNOOC-Shell Huizhou Phase 2, Zhongke Refining & Chemical in Zhanjiang, and Guangdong Petrochemical in Jieyang all received approval or broke ground in overlapping windows. The province simultaneously designated green petrochemicals as a strategic pillar cluster, targeting refining capacity of 90 Mt/yr, ethylene of 9 Mt/yr, and aromatics of 5 Mt/yr by 2025 (Source: Guangdong Development and Reform Commission, Action Plan for the Green Petrochemical Strategic Pillar Cluster 2023–2025). Several of those targets have already been met ahead of schedule.

2. The Three-Pole Landscape

Huizhou Daya Bay: Six Consecutive Years Atop China's Chemical Park Rankings

Huizhou Daya Bay Petrochemical Zone is among the largest and most integrated refinery-chemical parks in China. By end-2024, Huizhou had commissioned refining capacity of 22 Mt/yr, ethylene of 3.8 Mt/yr, aromatics of 2.5 Mt/yr, and PTA of 5 Mt/yr — ethylene accounting for about 54% of the provincial total, aromatics 50%, and PTA 68% (Source: Huizhou Municipal Government / CPPCC Huizhou, 2024).

The cluster's competitive edge rests on two major joint-venture anchors: CNOOC and Shell Petrochemicals Co. (CSPC) and CNOOC's own Huizhou Petrochemical. Phase 3 of CSPC's ethylene complex came on stream in recent years, reinforcing capacity leadership. In 2024, the Daya Bay petrochemical and new-materials cluster was forecast to record total output value approaching RMB 390 billion (Source: Bay Area Entrepreneurs Alliance, 2024). Daya Bay has held the top position in China's "Top 30 Chemical Parks" ranking for six consecutive years — an assessment of management maturity and ecosystem depth by the China Chemical Information Center and peer institutions.

Jieyang Dananhai: The Newest "Super Anchor"

China National Petroleum Corporation's Guangdong Petrochemical project sits in the Dananhai Petrochemical Industrial Zone of Jieyang's Huiilai County. Designed capacity: 20 Mt/yr refining, 1.2 Mt/yr ethylene, 2.6 Mt/yr aromatics — making it one of the largest refinery-chemical integration projects in the country. The facility achieved full commercial production in February 2023, a National "14th Five-Year" flagship project.

Ramp-up has been swift. Within slightly more than a year of startup, cumulative crude processing exceeded 33 Mt and total output value surpassed RMB 200 billion (Source: Sina Finance / Guangdong DRC, December 2024). Full-year 2024 aromatics output reached 2.5552 Mt, an all-time record for the plant (Source: China Daily Guangdong, January 2025); ethylene exceeded 1.4 Mt for the year. Jieyang has thus become a second major gravity centre alongside Daya Bay in Guangdong's refining map.

Zhanjiang Donghai Island: Highest Domestic-Content Refining Base

Zhongke (Guangdong) Refining & Chemical Co. Ltd. is Sinopec's second large-scale refinery-chemical integration site in Guangdong, located on Donghai Island, Zhanjiang. Phase 1 — 10 Mt/yr refining, 800 kt/yr ethylene — was commissioned in June 2020, recording the highest localisation rate (over 95%) of any refinery-chemical project at the time (Source: SASAC official information, 2020). Projected annual output value at capacity exceeds RMB 60 billion, with downstream multiplier effects estimated at over RMB 200 billion.

Phase 2, planned at 1.2 Mt/yr ethylene and associated downstream units, carries a total investment of RMB 38–40 billion, with construction scheduled to begin in 2026 and commissioning in 2027–2028 (Source: Sina Finance, February 2026). Together with BASF's Zhanjiang Verbund site and upstream oil and gas interests in which CNOOC holds stakes, Donghai Island is forming the skeleton of a vertically integrated chain from upstream extraction through midstream refining to downstream fine chemicals.

3. Maoming: From Historical Landmark to Green Transition Test Case

Beyond the three emerging clusters, Maoming Petrochemical's historical significance is fundamental. Established in 1955, it was one of 156 key projects in the First Five-Year Plan — China's first 10 Mt/yr refinery and first 1 Mt/yr ethylene complex. After nearly seven decades, current capacity stands at 20 Mt/yr refining and 1.1 Mt/yr ethylene, and cumulative tax contributions have exceeded RMB 500 billion (Source: Sinopec Maoming Branch, company profile).

Yet Maoming also represents the industry's transition pressure in concentrated form. Its product mix skews heavily toward fuel oil and conventional organics; high-value fine chemicals remain a small share. Facing both scale pressure from new greenfield competitors and tightening carbon constraints, Maoming Petrochemical has launched a refinery upgrading and ethylene improvement programme with total investment exceeding RMB 30 billion, aimed at reducing petroleum product output and expanding chemical feedstock and advanced materials production (Source: The Paper, government channel, 2023–2024).

4. The Downstream Extension Problem

The structural challenge that has persisted in Guangdong's fuel processing sector can be summarised simply: the province can refine at world-class scale, but its chemical downstream has not grown fast enough to absorb the intermediates.

Several dimensions support this. First, large volumes of ethylene, propylene, and aromatics produced in Guangdong must still seek processing outlets outside the province or in export markets, because local fine-chemical and synthetic-materials capacity is insufficient. Second, coal chemicals are essentially absent — Guangdong has no significant coal reserves and no commercial-scale coal-to-olefins or coal-to-methanol operations, meaning the "coal and other fuel processing" sub-sector amounts, in practice, almost entirely to petroleum refining. Third, refined product markets face a demand inflection: with new-energy vehicle penetration accelerating sharply, the growth trend for gasoline and diesel consumption has turned, pushing refineries to shift product slates toward chemicals.

Guangdong's action plan addresses this through an "integrated petrochemical parks" model — encouraging lighter feedstock slates for olefins, optimising aromatics feedstock blending, and supporting downstream extension projects in advanced polyolefins, engineering plastics, and synthetic rubber within the three main bases (Source: Guangdong DRC, 2023).

5. Carbon Constraints and Strategic Repositioning

Fuel processing is one of Guangdong's six major energy-intensive industries. As mandatory carbon reduction targets tighten, that designation carries increasingly concrete obligations. The province's 2024–2025 Energy Conservation and Carbon Reduction Action Plan requires petrochemical and chemical industries to pursue process re-engineering, promotes green-hydrogen pathways to replace coal-based hydrogen, and supports construction of green-hydrogen refining facilities (Source: Guangdong Provincial Government, 2024).

For companies anchored in crude oil processing, "green transformation" is not a marketing claim but an engineering programme involving plant retrofit, feedstock substitution, and product portfolio restructuring. All three major bases — Daya Bay, Donghai Island, and Dananhai — have stated green development targets, but the distance from engineering commitment to verified emissions reduction remains substantial. Technology pathways are not yet converged, and investment requirements extend well beyond normal operating cycles, implying that cost and output uncertainty will persist for years.

Guangdong's next milestone in refining is less likely to be another round of capacity expansion and more likely to be whether downstream chemical extension can actually be commissioned at scale, and whether decarbonisation technology can achieve industrial-grade validation. Whether both can advance in parallel will substantially determine whether Guangdong's petrochemical cluster consolidates a genuine world-class standing.

Sales teams supplying upstream inputs to petroleum and coal fuel processing factories in Guangdong can use Tianxia Gongchang to screen factory directories and decision-maker contacts by region and sub-sector, shortening the customer identification cycle.

Data Sources

  • Tianxia Gongchang (Guangdong petroleum, coal and fuel processing factory directory and industry data)
  • Guangdong Development and Reform Commission, Action Plan for the Green Petrochemical Strategic Pillar Cluster (2023–2025)
  • Guangdong DRC, Report on the Development of Guangdong's Modern Industrial System (2023–2024)
  • Huizhou Municipal Government / CPPCC Huizhou official releases (2024)
  • Bay Area Entrepreneurs Alliance (Huizhou petrochemical cluster output value data)
  • China Daily Guangdong (Guangdong Petrochemical aromatics output data, January 2025)
  • Sina Finance / National Development and Reform Commission (Guangdong Petrochemical project output value, 2024–2025)
  • SASAC official information (Zhongke Refining & Chemical commissioning data, 2020)
  • Sinopec Maoming Branch, official company profile
  • Guangdong Provincial Government, 2024–2025 Energy Conservation and Carbon Reduction Action Plan