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ISO-Certified Manufacturer of High-Purity Bronopol (CAS 52-51-7), DBNPA, and Industrial Water Treatment Chemicals. 20+ Years of Trusted Production Experience.
Weifang Zhaoyu Environmental Protection Technology Co., Ltd. is a leading manufacturer of specialty chemicals based in Weifang City, Shandong Province, China. Our production base, Weifang Yaosheng Environmental Protection Materials Co., Ltd., is located in the Chemical Industry Park of Weifang Binhai Economic and Technological Development Zone — the largest salt chemical production base in China.
With over 20 years of industry experience, fixed assets of 50 million yuan, and an annual output value of 230 million yuan, we serve customers across more than 50 countries. Our team of 76 professionals is committed to delivering high-purity, reliable chemical solutions for water treatment, agriculture, cosmetics, and industrial applications.
High-purity chemical solutions for water treatment, agriculture, cosmetics, and industrial applications. All products manufactured under strict quality control and ISO standards.
High-purity (99%) white crystalline powder used in water treatment, cosmetics, and industrial biocides.
Effective broad-spectrum fungicide for industrial water systems and agricultural sterilization.
Antiseptic and preservative used in cosmetic formulations. ISO 14001 certified.
Yellow powder used in sewage and industrial water treatment. High efficiency coagulant.
Fast-acting biocide for industrial water systems, paper mills, and cooling towers.
High-purity (≥98%) white powder used in agriculture, chemical synthesis, and industrial drying.
Colorless, transparent industrial-grade liquid used in drilling fluids and chemical synthesis.
High-purity powder used in water treatment, food processing, and fire extinguishers.
Trusted by global partners for quality, reliability, and service excellence.
Compliant with ISO 9001, ISO 14001, and ISO 45001 standards for quality, environment, and safety.
Decades of expertise in chemical manufacturing and global export operations.
Custom labeling, packaging, and formulation support available upon request.
Request samples anytime — we ship promptly for quality verification.
Bronopol (2-Bromo-2-Nitro-1,3-Propanediol) is a broad-spectrum antimicrobial agent used in water treatment, cosmetics, industrial biocides, and agricultural sterilization due to its effective antifungal and antibacterial properties.
Yes, we offer full OEM and ODM services including custom labeling, packaging, and formulation adjustments based on client requirements.
You can contact us directly via email or phone to request product samples. We provide samples promptly for quality evaluation.
Yes, our manufacturing processes are certified under ISO 9001 (Quality), ISO 14001 (Environmental), and ISO 45001 (Occupational Health & Safety) standards.
Absolutely. We welcome clients to visit our production facility in Weifang Binhai Chemical Park. Please contact us in advance to schedule a tour.
For product inquiries, quotations, or sample requests, please contact us through the official website.
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