Kunrong Chem | Advanced Chemical Solutions for Industry & Pharmaceuticals

Who We Are

Shanghai Kunrong International Trade Co., Ltd. is a company dedicated to the global marketing and modern logistics operation platform for the integration of international resources. Founded in 2011 and based in the Shanghai Free Trade Zone, we have established business cooperation across China, Hong Kong, Europe, North America, and other regions.

We provide professional, personalized one-stop services to over 12,000 global customers in the fields of science and technology, industrial resources, and related technical services.

2011

Founded

12K+

Global Clients

Product Lines

Continents

Our Product Categories

From pharmaceutical intermediates to advanced flame retardants, our portfolio supports innovation across industries with precision chemistry and rigorous quality control.

Latent Curing Agents

Designed for epoxy resin systems, these agents remain stable at room temperature and initiate rapid curing under heat, light, or pressure.

• Room-temperature stability
• Fast reaction under stimuli
• Ideal for one-component systems

PAE (Polyamide Epichlorohydrin)

High-performance wet-strength resins used in paper manufacturing and industrial coatings.

• Excellent wet strength
• Water-resistant bonding
• Used in specialty papers

Pharmaceutical Intermediates

Key chemical building blocks used in the synthesis of active pharmaceutical ingredients (APIs).

• High purity & consistency
• Scalable from grams to tons
• No pharmaceutical license required

Self-Healing Polymers

Smart materials capable of autonomously repairing damage, extending product lifespan.

• Microcapsule-based healing
• Reversible chemical bonds
• Applications in coatings & composites

Steric Amine Series

Tertiary amines with hindered structures used as catalysts and stabilizers in polymer systems.

• High catalytic efficiency
• Oxidation resistance
• Used in PU foams & coatings

Halogen-Free Flame Retardants

Environmentally friendly additives that suppress combustion without releasing toxic halogens.

• Compliant with RoHS & REACH
• Low smoke emission
• Used in electronics & cables

Custom Synthesis Services

Custom Synthesis

From grams to continuous manufacturing, we support complex compound synthesis under extreme conditions.

• High-pressure & high-temp
• Oxygen-free environments
• R&D to production scale

Quality Testing Services

Quality Assurance

Full analytical support using NMR, LC-MS, HPLC, GC-MS, and FT-IR to ensure product integrity.

• ISO 9000 certified
• Batch traceability
• Certificate of Analysis (CoA)

Why Choose Kunrong Chem?

We combine innovation, quality, and global reach to deliver unmatched chemical solutions.

Quality Innovation

Our high-quality management team ensures every product is tested via NMR, LC-MS, HPLC, GC-MS, and FT-IR. We are ISO 9000 certified for total quality management.

Advanced Manufacturing

Our modern flexible production lines support scientific projects under harsh conditions: high pressure, extreme temperatures, and oxygen-free environments.

Global Reach

Serving over 12,000 customers worldwide across China, Hong Kong, Europe, and North America with integrated logistics and technical support.

Frequently Asked Questions

What are pharmaceutical intermediates?

Pharmaceutical intermediates are chemical raw materials used in the synthesis of active pharmaceutical ingredients (APIs). They do not require a pharmaceutical production license and can be manufactured in standard chemical facilities. These compounds serve as building blocks in drug development and production.

What is a latent curing agent used for?

A latent curing agent remains stable at room temperature when mixed with epoxy resin, allowing for long shelf life in one-component systems. It initiates rapid curing when exposed to heat, light, humidity, or pressure, making it ideal for industrial adhesives, coatings, and electronic encapsulation.

Are your flame retardants environmentally safe?

Yes, our halogen-free flame retardants are designed to meet strict environmental standards including RoHS and REACH. They provide effective fire suppression without releasing toxic halogenated gases during combustion, making them safer for both users and the environment.

Can you produce custom compounds?

Absolutely. Our R&D and manufacturing base supports custom synthesis from grams to continuous production. We handle projects under extreme conditions such as high pressure, high temperature, and oxygen-free environments.

How do you ensure product quality?

Every batch undergoes rigorous testing using advanced instrumentation including NMR, LC-MS, HPLC, GC-MS, and FT-IR. Our quality management system is ISO 9000 certified, ensuring consistency, traceability, and compliance across all products.

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Advanced Chemical
Solutions for Industry