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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HP
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Philips
BMW
Siemens
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News Center

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

Exploring Covestro Plastic Resins: Versatile Solutions for Modern Applications


Covestro plastic resins are significant players in the chemical industry, particularly within the domain of engineering plastics. These resins are renowned for their versatility, enabling manufacturers to create a wide array of products that demand durability, flexibility, and aesthetic appeal. Covestro, as a leading manufacturer in this sector, focuses on providing high-performance materials that


2025-11-09

Why PC Plastic Resin is the Go-To Choice for Engineering Applications


Why PC Plastic Resin is the Go-To Choice for Engineering Applications Table of Contents Introduction to PC Plastic Resin Key Properties of PC Plastic Resin Advantages of Using PC Plastic Resin in Engineering Applications of PC Plastic Resin in Engineering 1. Automotive Industry 2. Electronics Sector 3. Construction Applications 4. Medical Devices Sustai


2025-11-07

Exploring the Advantages of Makrolon Polycarbonate in Engineering Plastics


Makrolon polycarbonate is a high-performance thermoplastic widely recognized for its exceptional strength, lightweight nature, and outstanding optical clarity. As an engineering plastic, it serves as a superior alternative to glass and other materials, making it a popular choice in various applications across multiple industries, including automotive, electronics, and consumer goods. One of the pr


2025-11-05

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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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