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About UsHebei Derui Chemical Co., Ltd. (hereinafter referred to as Derui Chemical) was established in January 2006 with a registered capital of RMB 51.8 million. The company specializes in the production and sale of agrochemicals, with key products including thiamethoxam technical grade, imidacloprid technical grade, spirotetramat technical grade, and related formulated products. Derui Chemical is located in the Eastern Zone of the Shijiazhuang Economic and Technological Development Zone, Hebei Province (No. 1, No. 1, New District Road No. 1, Gaocheng District). It is a nationally designated pesticide manufacturer and has been recognized as an A‑level enterprise among industrial research and development institutions in Hebei Province. The company serves as a vice‑presidential unit of the Hebei Pesticide Industry Association, an executive director unit of the Hebei Pesticide Development and Application Association, and a deputy chairperson unit of the Fertilizer‑Pesticide Professional Committee of the China Pesticide Industry Association.
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Product CenterThe company is committed to building and continuously improving its management systems, and in 2020 it obtained certifications under GB/T 19001-2016/ISO 9001:2015, GB/T 24001-2016/ISO 14001:2015, and GB/T 45001-2020/ISO 45001:2018. Derui Chemical has consistently upheld the corporate mission of “pursuing green development and serving global agriculture,” while adhering to the core values of “integrity, innovation, pragmatism, and gratitude.” The company is eager to collaborate with its partners to contribute to the advancement of world agriculture.
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News and Information
Preliminary analysis of the cause of the flash fire at Yangzi Petrochemical’s butadiene unit has been released.
Release Date:
2021-01-20
On January 15, the Nanjing Municipal Emergency Management Bureau issued on its official website the “Emergency Notice from the Municipal Safety Committee Office on Immediately Launching a Comprehensive Safety Inspection of the Chemical (Hazardous Chemicals) Industry” (hereinafter referred to as the “Notice”).
The Notice stated that at the Butadiene Recovery Unit of the Nanjing Yangzi Petrochemical Rubber Co., Ltd. within the New Materials Science and Technology Park of the Jiangbei New Area, a sudden flash fire occurred in the butadiene intermediate tank. Preliminary analysis suggests that butadiene in the tank underwent a reaction to form peroxides, which then accumulated. The decomposition of these peroxides triggered an accelerated polymerization of butadiene, releasing substantial heat and causing a rapid pressure rise that exceeded the tank’s maximum operating pressure. The resulting overpressure led to equipment rupture, with butadiene leaking out and igniting in a flash fire. At 19:46 that day, all open flames at the scene had been completely extinguished. No casualties were reported, and on-site monitoring by the ecological and environmental authorities indicated no adverse environmental impact.
Source: AgroPages Chinese Website
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