Kaifeng Darui Pharmaceutical Co., Ltd.

GMP Veterinary API & Intermediate Manufacturer | Kaifeng Darui Pharmaceutical
High-Tech Enterprise Since 2002

Leading Veterinary Pharmaceutical & API Manufacturer

Kaifeng Darui Pharmaceutical Co., Ltd. provides premium veterinary APIs, high-end pharmaceutical intermediates, and food additives compliant with rigorous GMP, ISO, and REACH standards.

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15+ Years

Coccidiostats & API Expertise

18+

API GMP Certificates

30+ Countries

USA, EU, & Global Exports

12+ Patents

Innovative Proprietary Systems

Why Global Brands Partner with Darui Pharma

Pioneering quality, efficiency, and sustainability in chemical synthesis.

Global Compliance

Rigorous standards compliance including FDA 21 CFR Part 11, REACH Registration, and local GMP validations to support seamless worldwide exports.

Precision Processing

Leveraging advanced D-grade cleanrooms, automated closed-loop reaction systems, and patented crystallization techniques for exceptional purity.

Tailored Solutions

CMO/CDMO offerings featuring customized particle sizes, bespoke packaging, customized formulation parameters, and comprehensive documentation.

Comprehensive API & Intermediate Portfolio

Meticulously refined pharmaceutical materials for human, veterinary, and industrial uses.

Product Name CAS Number Primary Classification
Albendazole 54965-21-8 Antiparasitic drug (Human & Veterinary use)
Amprolium hydrochloride 137-88-2 Veterinary anticoccidial drug
Bronopol 52-51-7 Antibacterial preservative (Industrial, Medical, Cosmetic)
Acyclovir 59277-89-3 Antiviral drug
Ethopabate 59-06-3 Veterinary anticoccidial drug
Flumequine 42835-25-6 Veterinary antibacterial drug
Rifaximin 80621-81-4 Broad-spectrum antibiotic
1,3-Dibromo-5,5-dimethylhydantoin 77-48-5 Fine Chemical Intermediate
Tropinone 532-24-1 Atropine intermediate

Need customized molecular synthesis or unique specifications? Contact our custom manufacturing team.

State-of-the-Art Operations

GMP-Certified Production Facility

Based in the renowned Kaifeng Fine Chemical Park, our infrastructure integrates high-end engineering with eco-conscious chemical processing. Equipped with custom-designed synthesis complexes, advanced purification cleanrooms, and robust compliance measures.

  • ✓ D-Grade Cleanrooms (ISO 8 Equivalent): Strict environmental purification and automated HEPA systems minimize contamination risks.
  • ✓ Scientific R&D Infrastructure: 20+ specialized researchers working collaboratively with leading domestic institutes.
  • ✓ Green Chemistry Focus: 150t/d automated wastewater recycling systems and RCO systems reduction processes.
Darui Production Facility System Advanced HPLC Testing Instrument Purified Water Systems USP Darui Innovation R&D Unit

Frequently Asked Questions

Find straightforward answers regarding procurement and quality standards.

How do I place a bulk order?

To place a bulk veterinary API or chemical intermediate order, please reach out directly to our sales office at info@daruipharm.com with your specific requirements. Provide volume needs, formulation parameters, and destination compliance documents.

Can I visit your facility?

Absolutely. We happily organize structural facility audits for our corporate partners. Schedule a visit to our facility located inside Kaifeng Fine Chemical Development Zone through our official channels.

Are your products certified?

Yes. All materials are manufactured strictly according to GMP specifications. We are certified compliant with ISO 9001:2015, domestic Veterinary Drug Production laws, and REACH standards.

Do you offer samples?

We offer free evaluation samples to verified commercial entities and partners to undergo purity testing. Simply fill out our sample inquiry module below.

Connect with Our Team

Whether seeking customized intermediate synthesis, scheduling plant inspection audits, or placing wholesale orders—our technical experts are standing by.

Headquarters

No. 182 Fine Chemical Development Zone, Kaifeng, Henan Province, China 475000

Direct Contact

Phone: 0371-23795955
WhatsApp: +86-13837178289

Send an Inquiry

Kaifeng Darui Pharmaceutical

Delivering premium veterinary APIs and fine chemical intermediates to strategic global sectors.

Key Certifications

  • China Veterinary Drug GMP Standards Compliant
  • ISO 9001:2015 Quality Management System
  • REACH Regulation Compliant (EC No 1907/2006)
  • FDA 21 CFR Part 11 Aligned

R&D Partnership

Collaborating with Henan Academy of Sciences, Pingdingshan University, and international pharmaceutical networks to innovate alkane bromination and antiparasitics.

Company Overview

Established in 2002 and located in Kaifeng Fine Chemical Park, Kaifeng Darui Pharmaceutical Co., Ltd. is a high-tech enterprise integrating R&D, production, and sales of pharmaceutical raw materials, food additives, and veterinary APIs.

Core Strengths

  • Green Manufacturing: Equipped with 150t/d wastewater treatment and RCO exhaust systems for sustainable operations.
  • GMP Compliance: Grade D cleanroom-certified API workshops, advanced production lines, and strict quality control.
  • Innovation Leadership: 12 utility patents, 4 pending patents, and partnerships with Henan Academy of Sciences and Xinxiang Medical University.

Facilities & Infrastructure

Advanced Production System

  • Workshops: 700㎡ API facility (synthesis + purification), isolated air purification systems, Grade D cleanroom standards.
  • Key Equipment: Shimadzu HPLC, Fourier-transform IR spectrometers, stability test chambers, and distillation units.
  • Eco-Friendly Solutions: Automated RCO exhaust treatment and wastewater systems meeting national standards.

Storage & Quality Assurance

  • Warehousing: Dedicated zones for raw materials, finished products, packaging, and controlled substances.
  • QC Labs: Full testing via HPLC, GC, UV-Vis spectrophotometry ensures 100% compliance.

Certifications & Honors

  • National High-Tech Enterprise
  • Henan Provincial Innovative SME
  • Kaifeng Alkane Bromination Engineering Center
  • Charity Recognition Award
  • Kaifeng Pharmaceutical Association Council Member

R&D & Innovation

  • Expert Team: 20+ R&D specialists (2 senior engineers, 2 associate professors), 70% holding bachelor’s degrees or higher.
  • Industry-Academia Collaboration: Joint projects with Henan Academy of Sciences and Pingdingshan University.
  • IP Portfolio: 12 utility patents (e.g., bromonitro alcohol purification, albendazole catalytic systems), 4 pending patents.

Industry Vision & Strategy

Strategic Focus

  1. Alkane Bromination Technology: Build national R&D hubs for process innovation, pilot production, and talent development.
  2. Bio-Pharmaceuticals: Expand high-value antiviral/pet antiparasitic APIs and veterinary drug formulations.
  3. Global Expansion: Leverage cost-quality advantages to grow veterinary API exports.

3-Year Goals

  • Annual output target: ¥100 million; R&D investment to reach ¥20 million.
  • Launch 2-3 new core products; achieve “Specialized, Refined, Distinctive, Innovative” (SRDI) enterprise status.

Collaboration Fields

  • Fine Chemical Intermediates: Custom R&D for pharmaceutical/veterinary intermediates.
  • Food Additives: Safe, compliant additive solutions.
  • Veterinary APIs: OEM-ready pet/livestock API production.

Corporate Mission
“Survival through quality, growth through talent; innovation drives development, efficiency stems from management.”
Darui Pharma aims to be a global leader in pharmaceutical raw materials, combining innovation with social responsibility.

Contact Us

Address: Kaifeng Fine Chemical Park, Henan, China
Tel: +86-13837178289
Email: info@daruipharm.com