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Premium Bronopol & Biocides from China

ISO-Certified Manufacturer of High-Purity Bronopol (CAS 52-51-7), DBNPA, and Industrial Water Treatment Chemicals. 20+ Years of Trusted Production Experience.

About Weifang Zhaoyu

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.

  • ISO 9001, ISO 14001, ISO 45001 Certified
  • OEM/ODM Services Available
  • Global Export to 50+ Countries
20+
Years Experience
50M+
Fixed Assets (CNY)
230M
Annual Output (CNY)
76
Employees

Our Top Products

High-purity chemical solutions for water treatment, agriculture, cosmetics, and industrial applications. All products manufactured under strict quality control and ISO standards.

Bronopol Powder CAS 52-51-7

Bronopol Powder (CAS 52-51-7)

High-purity (99%) white crystalline powder used in water treatment, cosmetics, and industrial biocides.

  • Chemical Name: 2-Bromo-2-Nitro-1,3-Propanediol
  • Purity: ≥99%
  • Application: Water treatment, antifungal agent
Bronopol Fungicide 99%

Bronopol Fungicide 99%

Effective broad-spectrum fungicide for industrial water systems and agricultural sterilization.

  • Another Name: BNPD
  • Purity: 99%
  • Form: White crystalline powder
Bronopol for Cosmetics

Bronopol for Cosmetics

Antiseptic and preservative used in cosmetic formulations. ISO 14001 certified.

  • CAS No: 52-51-7
  • Formula: C3H6BrNO4
  • Use: Cosmetic antiseptic
Poly Aluminium Chloride (PAC)

Poly Aluminium Chloride (PAC)

Yellow powder used in sewage and industrial water treatment. High efficiency coagulant.

  • CAS No: 1327-41-9
  • Al2O3 Content: 28%
  • Form: Yellow powder
DBNPA Biocide

DBNPA Biocide

Fast-acting biocide for industrial water systems, paper mills, and cooling towers.

  • CAS No: 10222-01-2
  • Formula: C3H3Br2N2O
  • Form: Crystalline powder
Anhydrous Magnesium Sulphate

Anhydrous Magnesium Sulphate

High-purity (≥98%) white powder used in agriculture, chemical synthesis, and industrial drying.

  • CAS No: 7487-88-9
  • Purity: ≥98%
  • Mesh: 600
Product Image

Sodium Bromide Solution

Colorless, transparent industrial-grade liquid used in drilling fluids and chemical synthesis.

  • CAS No: 7647-15-6
  • Form: Liquid
  • Grade: Industrial
Product Image

Sodium Bicarbonate Powder

High-purity powder used in water treatment, food processing, and fire extinguishers.

  • CAS No: 144-55-8
  • Purity: ≥99%
  • Application: pH regulator, cleaning agent

Why Choose Us?

Trusted by global partners for quality, reliability, and service excellence.

ISO Certified

Compliant with ISO 9001, ISO 14001, and ISO 45001 standards for quality, environment, and safety.

20+ Years Experience

Decades of expertise in chemical manufacturing and global export operations.

OEM/ODM Service

Custom labeling, packaging, and formulation support available upon request.

Fast Sample Delivery

Request samples anytime — we ship promptly for quality verification.

50+
Countries Served
230M
Annual Output (CNY)
76
Team Members
20+
Years in Business

Frequently Asked Questions

What is Bronopol used for?

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.

Is OEM/ODM service available?

Yes, we offer full OEM and ODM services including custom labeling, packaging, and formulation adjustments based on client requirements.

How can I request a sample?

You can contact us directly via email or phone to request product samples. We provide samples promptly for quality evaluation.

Are your products ISO certified?

Yes, our manufacturing processes are certified under ISO 9001 (Quality), ISO 14001 (Environmental), and ISO 45001 (Occupational Health & Safety) standards.

Can I visit your factory?

Absolutely. We welcome clients to visit our production facility in Weifang Binhai Chemical Park. Please contact us in advance to schedule a tour.

Get in Touch

For product inquiries, quotations, or sample requests, please contact us through the official website.

Contact Information

Email: ivory@zhaoyuept.com
Phone: 86-0536-8121566
WhatsApp: 8616652869338
Contact Person: Miss Ivory Zang
Address: Room 708, Unit 2, Building 6, Weifang Headquarters Base, Shandong, China

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