---
title: "Chemexpress's subsidiary Chongqing Chemexpress passes EU QP audit"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/244869286.md"
description: "Chemexpress's subsidiary, Chongqing Chemexpress Biopharmaceutical Co., Ltd., recently successfully passed the EU QP audit and received a compliance audit report. This marks that Chongqing Chemexpress's quality management system and production capacity have reached EU GMP standards, enabling it to provide high-quality R&D and production services for global biopharmaceutical companies, laying the foundation for expanding domestic and international markets"
datetime: "2025-06-17T09:47:02.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/244869286.md)
  - [en](https://longbridge.com/en/news/244869286.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/244869286.md)
---

# Chemexpress's subsidiary Chongqing Chemexpress passes EU QP audit

According to the Zhitong Finance APP, Chemexpress (688131.SH) announced that its holding subsidiary, Chongqing Chemexpress Biopharmaceutical Co., Ltd. (hereinafter referred to as "Chongqing Chemexpress"), has successfully passed the European Union Qualified Person (QP) audit and officially received a compliance audit report issued by the QP.

Chongqing Chemexpress is committed to building a commercialized integrated platform for ADC antibody-drug conjugate filling, providing a one-stop CDMO service for global biopharmaceutical companies and new drug research and development institutions, covering the entire process from antibody, linker, and active payload to bioconjugation and formulation filling.

The successful completion of the QP audit marks that Chongqing Chemexpress's quality management system and production capacity have reached EU GMP standards, which can fully ensure the high-quality research and production of biopharmaceuticals such as monoclonal antibodies, bispecific antibodies, multi-specific antibodies, recombinant proteins, and antibody-drug conjugates (ADCs), laying a solid foundation for further expanding domestic and international markets

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