# Mingzhu Plastic to build $497M battery separator base in Guangzhou

Mingzhu Plastic announced plans to invest nearly CNY 3.4 billion (USD 497.4 million) to build a production base in the Zengcheng Economic and Technological Development Zone in Guangzhou, China. The facility will include eight wet-process lithium-ion battery separator lines and seven PE pipe lines, adding 2.4 billion square meters of separator capacity and 30,000 tons of PE pipe capacity annually.

- Type: New facility
- Announced: 2026-05-11
- Where: Zengcheng Economic and Technological Development Zone, Guangzhou, China
- Value: $497.4M (3.40B CNY)
- Status: announced
- Capacity: 2.4 billion square meters of wet-process lithium-ion battery separators and 30,000 tons of PE pipes annually
- Products: lithium battery separators, polyethylene pipes
- Sectors: [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md), [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md)

## Companies

- [Mingzhu Plastic](https://endata.com/companies/91864.md)

## Sources

- [yicaiglobal.com](https://www.yicaiglobal.com/news/mingzhu-plastic-jumps-after-unveiling-expansion-plan-to-join-top-battery-separator-makers), 2026-05-11: "The project is expected to lift the BYD supplier's designed annual lithium battery separator capacity to 4.2 billion square meters from current levels, helping it move into the top tier of global suppliers."

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