# Shandong Heze Yuhuang Chemical plans polystyrene upgrade project

Shandong Heze Yuhuang Chemical Co., Ltd. has initiated environmental assessment for a 175.79 million yuan technical upgrade project to modify two polystyrene production lines at its existing plant. Total capacity will be adjusted to 174,000 tons/year, with completion and commissioning targeted by June 2026.

- Type: Expansion
- Announced: 2026-03-03
- Where: Heze, Shandong, China
- Value: $24.2M (175.8M CNY)
- Starts operating: Jun 2026
- Status: announced
- Capacity: 174,000 tons/year
- Products: polystyrene, styrene-methyl methacrylate copolymer, styrene-maleic anhydride copolymer
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Shandong Heze Yuhuang Chemical Co., Ltd.](https://endata.com/companies/90643.md)

## Sources

- [en.wedoany.com](https://en.wedoany.com/shortnews/102374.html), 2026-03-03: "The polystyrene technical upgrade project plans to modify two existing production lines."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.