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        Luoyang Hanyi Chemical Technology Co., Ltd., located in the Mengjin Advanced Manufacturing Development Zone, is a private enterprise integrating research, production, and sales. For 27 years since its establishment, the company has been deeply engaged in the field of dye intermediates. Leveraging mature technologies accumulated over the years, combined with self-developed processes and clean production patents, it produces a variety of fine chemical intermediates and their application products. These are widely used in民生 industries such as papermaking, textiles, and printing and dyeing, with products暢銷(xiāo) both domestic and international markets.

        Our company is renowned in the industry for its strong reputation and has established deep collaborations with world top 100 chemical companies such as Clariant, Huntsman, and Lanxess. We have also formed all-weather strategic partnerships with Archroma, German Blankphor, and Transfar Group, jointly developing multiple products including iso-4B acid, new optical brightener intermediates, and eco-friendly dyes, covering the full range of optical brighteners.

        Our company adheres to the principles of "environmental protection, integrity, efficiency, and progress," strictly遵守 business ethics, and possesses comprehensive environmental treatment capabilities to provide customers with a solid backing!
 

        Our company emphasizes technological upgrading and talent cultivation, with a 6,000-square-meter facility that includes a new product R&D center, laboratory, and testing room. We have cooperative projects with several higher education institutions and chemical research institutes, dedicated to the清潔化 improvement and promotion of traditional processes, extending the coverage of production automation, and driving productivity through technology. We strive to be pioneers in all endeavors as part of our corporate vision.

        In 2005, we collaborated with Peking University to become the first in Henan's chemical industry to adopt an efficient biological wastewater treatment system.
        In 2010, we successfully developed high-purity ortho-sulfonic acid and dinitro acid, strengthening the DSD acid product chain.
        In 2013, we added aniline-2,5-disulfonic acid series products, iso-4B acid, and meta-aminophenol.
        In 2015, we optimized the DSD acid production line, co-producing ortho-sulfonic acid with powder and liquid Yellow 11, and advanced yellow and red liquid dye projects.
        In 2017, we introduced meta-diamine series products.
        In 2020, we added meta-aminophenylurea.