Kaifeng Darui Pharmaceutical Co., Ltd. | Interactive Overview

Driving Innovation in Pharmaceutical Excellence

As a leading GMP-certified manufacturer of high-end pharmaceutical raw materials and veterinary APIs, we are your trusted partner for quality, sustainability, and innovation in a global market.

Explore Our Core Values

Our Foundational Pillars

We build our success on three core principles. Click to explore how each pillar defines our commitment to excellence.

GMP Certified Excellence

Quality is the cornerstone of everything we do. As a GMP-certified company, we adhere to the most stringent international standards. Our state-of-the-art facilities include Grade D cleanroom-certified API workshops, ensuring a controlled and contaminant-free environment for every stage of production.

This unwavering commitment guarantees that every batch of our pharmaceutical raw materials and veterinary APIs meets the highest purity, efficacy, and safety standards.

Our Quality Control Process

1
Raw Material Sourcing & Testing
2
Controlled API Production
3
In-Process & Final QC Checks
Batch Release & Certification

Why Partner With Kaifeng Darui?

We provide more than just ingredients; we provide a foundation for your success. Here’s the value we bring to every partnership.

Uncompromising Quality

Adherence to the highest GMP standards for guaranteed purity and efficacy.

Sustainable Practices

Environmentally responsible manufacturing for a greener future.

Reliable Supply Chain

Consistent and timely production of high-end APIs and raw materials.

Global Reach

Serving and supporting pharmaceutical manufacturers worldwide.

Innovative Solutions

Continuously developing advanced pharmaceutical ingredients.

Cost-Quality Advantage

Access to premium animal health and pharmaceutical solutions.

Let's Build a Healthier Future Together

For inquiries about our capabilities or to discuss potential collaborations, please reach out. We are ready to be your trusted partner.

Contact Us

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Kaifeng Darui Pharmaceutical Co., Ltd.: Your Trusted Partner for High-Quality Methenamine (CAS: 100-97-0)

For pharmaceutical manufacturers and buyers seeking a dependable source of Methenamine (CAS: 100-97-0), Kaifeng Darui Pharmaceutical Co., Ltd. stands out as a premier supplier. With a steadfast commitment to quality, compliance, and consistent supply, Kaifeng Darui ensures that your pharmaceutical needs are met with excellence.

Unwavering Commitment to Quality and Compliance


Kaifeng Darui Pharmaceutical Co., Ltd., established in 2020 and headquartered in Henan Province, China, has rapidly gained recognition for its dedication to producing high-quality pharmaceutical ingredients.
The company operates under stringent quality management systems, adhering to Good Manufacturing Practices (GMP) and ISO standards, ensuring that every batch of Methenamine meets the highest quality benchmarks.

Superior Methenamine Meeting USP and EP Standards

Understanding the critical importance of purity and consistency in pharmaceutical applications, Kaifeng Darui offers Methenamine that complies with both United States Pharmacopeia (USP) and European Pharmacopoeia (EP) standards. This dual compliance guarantees that the product meets the rigorous quality requirements of diverse international markets.

Customized Grades and Particle Sizes

Kaifeng Darui provides Methenamine in various grades and particle sizes to cater to specific pharmaceutical formulations. Whether you require fine powders for tablet production or specific granule sizes for other applications, the company can tailor its offerings to meet your precise specifications.

Robust Production Capacity and Reliable Supply Chain

With state-of-the-art manufacturing facilities and a well-established supply chain, Kaifeng Darui ensures a steady and scalable supply of Methenamine. The company's robust production capacity enables it to fulfill large-scale orders promptly, minimizing lead times and ensuring uninterrupted supply for your manufacturing needs.

Exceptional Purity and Consistency

Kaifeng Darui's Methenamine boasts a purity level exceeding 99.5%, reflecting the company's meticulous production processes and quality control measures. This high purity ensures the efficacy and safety of your pharmaceutical products, providing confidence in every application.

Pharmaceutical Applications of Methenamine

Methenamine is widely used as a urinary tract antiseptic, particularly in the prevention and treatment of chronic urinary tract infections (UTIs). Its mechanism involves the slow release of formaldehyde in acidic urine, exerting antibacterial effects without promoting resistance. This makes it a valuable component in long-term UTI management strategies.


Why Choose Kaifeng Darui Pharmaceutical Co., Ltd.?

  • GMP and ISO Certified: Ensuring adherence to international quality and safety standards.

  • USP/EP Grade Methenamine: Meeting global pharmacopeial requirements.

  • High Purity (>99.5%): Guaranteeing product efficacy and safety.

  • Customizable Grades and Particle Sizes: Catering to specific formulation needs.

  • Reliable Large-Scale Supply: Supporting consistent and timely deliveries.

  • Competitive Pricing: Offering cost-effective solutions without compromising quality.

For pharmaceutical manufacturers and buyers aiming for excellence in their products, partnering with Kaifeng Darui Pharmaceutical Co., Ltd. ensures access to top-tier Methenamine, backed by quality, reliability, and dedicated customer service.​

Rifamycin O (CAS No. 14487-05-9)

1. What Is Rifamycin O? Rifamycin O is a semi-synthetic antibiotic belonging to the rifamycin group, with a molecular formula of C₄₈H₆₈N₄O₁...

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