Hangzhou Xiasa Hengsheng Chemical Co., Ltd. was founded in Hangzhou, Zhejiang in 1995. We are a dye manufacturer integrating R&D, manufacturing and sales, with a focus on dyes and dye intermediates. For over 30 years, acid dyes have been our core business, and we produce more than 200 dye varieties year-round. Adhering to the corporate philosophy of "Integrity, Diligence, Innovation, Win-win", the company continuously increases R&D investment, attaches great importance to safety production and environmental protection, and actively promotes green manufacturing.
Founded on December 13, 1995
Long focused on R&D, manufacturing and sales of dyes and related intermediates
We produce over 200 dye products year-round, covering acid dyes, vat dyes, polymer dyes, ink dyes, cosmetic and food color lakes, and more.
Member companies develop together across dye manufacturing, cosmetic lakes and fine chemicals, continuously improving integrated R&D, production and sales.
Zhejiang Changsheng Technology Co., Ltd. is a wholly-owned subsidiary of Hangzhou Xiasa Hengsheng Chemical Co., Ltd. It was formed in 2020, when the parent company's sales and application technical service teams were spun off into a separate company. Building on the product portfolio and customer base the parent company built in acid dyes over 30 years, Changsheng focuses on R&D, commercialization and market development. As the group's market-facing arm for acid dyes, we drive commercialization and market growth.
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