Comma

Expert in Engineering Plastic Solutions

Guangzhou Donoyo Chemical Co.Ltd. is Top grade Covestro distributor in Guangzhou,China. 

Supply Engineer plastics for many years, Our plastic resin include : Makrolon PC、Bayblend PC+ABS、Makroblend PC+PBT、Bayblend PC+ASA, etc. , Focus four fields:  ELECTRICS & ELECTRONICS, Medical, New Energy Vehicles and communication equipment. 

MSDS

Material Safety Data Sheets (MSDS)

Rohs

ROHS inspection reports

SGS

SGS reports

REACH

REACH environmental certification

About US
Comma

Application

A trade plastic enterprise specializing in the import and export business of engineering plastics

IT

No matter the industry, our innovative materials help you to meet the requirements of manufacturers, customers and the environment. Discover inspiring stories, compelling case studies and high-performance materials for the most demanding applications.

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Medical

No matter the industry, our innovative materials help you to meet the requirements of manufacturers, customers and the environment. Discover inspiring stories, compelling case studies and high-performance materials for the most demanding applications.

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Food

No matter the industry, our innovative materials help you to meet the requirements of manufacturers, customers and the environment. Discover inspiring stories, compelling case studies and high-performance materials for the most demanding applications.

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Auto Parts

No matter the industry, our innovative materials help you to meet the requirements of manufacturers, customers and the environment. Discover inspiring stories, compelling case studies and high-performance materials for the most demanding applications.

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Communications

No matter the industry, our innovative materials help you to meet the requirements of manufacturers, customers and the environment. Discover inspiring stories, compelling case studies and high-performance materials for the most demanding applications.

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Comma

Global Partner

A trade plastic enterprise specializing in the import and export business of engineering plastics

Product quality and improving customer satisfaction are our core values, and we will continue to update products and services, strive for perfection, and evaluate customer satisfaction.

tesla
HP
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Samsung
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Philips
BMW
Siemens
P&G
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News Center

A trade plastic enterprise specializing in the import and export business of engineering plastics

Unleashing the Power of Makrolon Polycarbonate: A Comprehensive Guide to Its Versatility Across Industries


Understanding the Versatility of Makrolon Polycarbonate in Various Industries Table of Contents Introduction: The Rise of Makrolon Polycarbonate What is Makrolon Polycarbonate? Key Properties of Makrolon Polycarbonate Applications of Makrolon Polycarbonate Across Industries 1. Construction Industry 2. Automotive Industry 3. Electronics Industry 4. Medical Sect


2025-12-31

Understanding Covestro Plastic Resins: A Key Component in Engineering Plastics


Covestro plastic resins are a crucial category of materials widely utilized in the chemical and engineering plastics industry. These resins are synthesized from high-performance polymers that offer exceptional durability, thermal stability, and mechanical strength. As manufacturers increasingly seek materials that can withstand demanding conditions, Covestro's offerings have become a go-to choice


2025-12-29

PC Plastic Resin: The Ideal Material for Electronics and Gadgets


PC Plastic Resin: The Ideal Material for Electronics and Gadgets Table of Contents 1. Introduction to PC Plastic Resin 2. Benefits of PC Plastic Resin in Electronics 3. Applications of PC Plastic Resin in Gadgets 4. Unique Properties of PC Plastic Resin 5. Comparing PC Plastic Resin with Other Materials 6. Sustainability and Environmental Impact of PC Plastic Resin 7.


2025-12-26

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A trade plastic enterprise specializing in the import and export business of engineering plastics

Integrity and efficiency | Satisfactory service

Integrity and efficiency | Satisfactory service

Professional team | Win with quality

Professional team | Win with quality

Well-equipped | Strive for excellence

Well-equipped | Strive for excellence

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