---
title: "US Commerce Department finds Chinese fiberglass door panels sold below fair value; Preliminary dumping rates range from 38.78% to TBD."
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/273140968.md"
description: "On January 20, 2026, the U.S. Department of Commerce declared that Chinese manufacturers are selling fiberglass door panels in the U.S. below fair market value. The Commerce Department imposed initial dumping rates between 38.78% and an undisclosed upper limit. The decision comes after a thorough investigation into the matter."
datetime: "2026-01-20T22:10:58.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/273140968.md)
  - [en](https://longbridge.com/en/news/273140968.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/273140968.md)
---

> Supported Languages: [简体中文](https://longbridge.com/zh-CN/news/273140968.md) | [繁體中文](https://longbridge.com/zh-HK/news/273140968.md)


# US Commerce Department finds Chinese fiberglass door panels sold below fair value; Preliminary dumping rates range from 38.78% to TBD.

On January 20, 2026, the U.S. Department of Commerce declared that Chinese manufacturers are selling fiberglass door panels in the U.S. below fair market value. The Commerce Department imposed initial dumping rates between 38.78% and an undisclosed upper limit. The decision comes after a thorough investigation into the matter.

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