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Ebner Stolz News, Mergers & Acquisitions

Ebner Stolz supports Hengst Filtration in the Acquisition of the Chinese Air Filtration Specialist CSC-Tech

By Lily Sun July 10, 2025

Hengst Filtration, a leading German filtration technology company, has announced its acquisition of CSC-Tech, a Chinese specialist in air filtration solutions. This acquisition enables Hengst Filtration to become a full-service provider for the semiconductor industry.

Ebner Stolz China provided comprehensive financial and tax due diligence services to support Hengst in this cross-border transaction. Our team ensured compliance with local and international regulations, enabling a smooth and efficient acquisition process.

Hengst Filtration is a global leader in filtration solutions for the automotive, industrial and life sciences sectors. Headquartered in Germany, the company is known for its innovative technologies and sustainable filtration systems. With this acquisition, Hengst further solidifies its presence in China, a key market for future growth.

CSC-Tech is a Chinese air filtration specialist with strong expertise in high-efficiency filtration products for industrial applications. The company has a well-established reputation in the Asia-Pacific region and complements Hengst’s product portfolio with its advanced technological capabilities.

The Ebner Stolz advisory team, led by Lily Sun (Lead Partner), Elsa Ni (financial due diligence) and Elosie Yao (tax due diligence), provided tailored due diligence services to assess financial risks, tax implications and regulatory requirements. Ebner Stolz China is the subsidiary of RSM Ebner Stolz, Germany’s largest independent mid-sized audit and taxfirm, ranking No. 5 among the top 10 in the industry. The firm offers extensive expertise in auditing, tax, legal and business consulting with a multidisciplinary approach and over 2,700 professionals across 14 locations.

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Lily Sun

Partner

  • +86 21 6330 9962, ext. 842
  • lily.sun@cn.ebnerstolz.com
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