# Chengde Jianlong becomes qualified supplier of gear steel to BYD

Chengde Jianlong, a subsidiary of Jianlong Group, passed product verification and was officially included in BYD's list of qualified suppliers for gear steel products, achieving direct supply.

- Type: Contract
- Announced: 2025-04-11
- Where: China
- Status: completed
- Products: gear steel
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [BYD](https://endata.com/companies/9720.md) (customer)
- [Chengde Jianlong](https://endata.com/companies/84106.md) (supplier)

## Sources

- [news.metal.com](https://news.metal.com/newscontent/103273419-chengde-jianlong-officially-became-a-qualified-supplier-of-byd), 2025-04-11: "The quality of its gear steel product samples, DL1920 and DL2020-series, successfully passed the product verification of BYD Co., Ltd. and was officially included in BYD's list of qualified 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.