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.

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Philips
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News Center

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

Innovative Applications of Makrolon Polycarbonate in the Construction Industry


Innovative Applications of Makrolon Polycarbonate in the Construction Industry Table of Contents 1. Introduction to Makrolon Polycarbonate 2. Key Properties of Makrolon Polycarbonate - 2.1 Durability and Impact Resistance - 2.2 Thermal Insulation Benefits 3. Innovative Applications in Construction - 3.1 Architectural Facades - 3.2 Interior Design Elements - 3.3 Roo


2025-12-17

Understanding Covestro Plastic Resins: Innovations in Engineering Plastics


Covestro plastic resins represent a significant advancement in the field of engineering plastics, offering diverse applications across various sectors due to their exceptional properties. These resins are renowned for their versatility, strength, and durability, making them suitable for a myriad of uses, from automotive components to electronic housings. One of the key characteristics of Covestro


2025-12-15

How PC Plastic Resin Revolutionizes the Automotive Industry


How PC Plastic Resin Revolutionizes the Automotive Industry Table of Contents 1. Introduction to PC Plastic Resin in Automotive Applications 2. The Advantages of Using PC Plastic Resin in Vehicles 2.1. Lightweight Properties for Enhanced Performance 2.2. Superior Strength and Durability 2.3. Safety Features and Impact Resistance 3. Applications of PC Plastic Resin in the Automotive Sector 3.1. Int


2025-12-13

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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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