Hebei Lansheng Biotech Co., Ltd. ShangHai Yuelian Biotech Co., Ltd.

Prohexadione calcium raw material of Zhengzhou Zhengshi Chemical Co., Ltd passed the equivalent registration evaluation in the European Unionqrcode

Jun. 21, 2024

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Jun. 21, 2024

On May 22, 2024, Zhengzhou Zhengshi Chemical Co., Ltd. obtained the EU equivalent registration approval of Prohexadione calcium, registration number UKZUZ 090029/2024.


As a novel plant growth regulator, the major degradants in the environment are carbon dioxide and water. Compared with traditional quaternary ammonium salts and triazole retardants, prohexadione calcium is safer and more environmentally-friendly, being widely used on apple and cherry crops, with minimal impact on flowers and fruits. Zhengshi Chemical’s research in the application of prohexadione calcium to more than 20 crops, including apple, grape, cherry, strawberry, wheat, peanut and rice, resulted in the remarkable effects of regulating plant growth, facilitating flowering, and increasing quality and yield.

At present, Zhengzhou Zhengshi Chemical co.,ltd has obtained 92% technical registration,and the preparation pesticide registration certificate of 5% Prohexadione calcium WP, 15% Prohexadione calcium WDG, 30% Prohexadione calcium ·Uniconazole WDG. The annual production capacity of technical reaches 500tons.


Founded in 2001 with more than 700 employees, Zhengzhou Zhengshi Chemical Products Co., Ltd. is a high-tech enterprise specializing in the research and development, production and sales of pesticide raw materials and preparations, and is the main manufacturer of plant growth regulator pesticides and preparations such as Brassinolide, Prohexadione calcium, 6-BA, DA-6, Sodium nitrophenolate, NAA, etc.

Zhengshi Chemical has established a strict and standardized production management system, passed the international quality management system certification, environmental management system and occupational health and safety management system certification earlier, and continues to provide customers with high-quality products and services.

Prohexadione calcium of Zhengshi Chemical Products Co., Ltd has successfully passed the equivalence assessment and registration in the European Union, and behind this achievement is Zhengshi Chemical Products Co., Ltd unremitting efforts in technological innovation and product quality improvement over the years. This not only marks that Prohexadione Calcium of Zhengshi Chemical Products Co., Ltd has made an important breakthrough in the international market, but also further enhances the international competitiveness of China's agrochemical products. It not only brings more business opportunities to the company, but also injects new impetus into the international development of China's agrochemical industry.


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