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
apple
Samsung
Huawei
Philips
BMW
Siemens
P&G
Sony
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News Center

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

From Concept to Creation: The Essential Role of PC Plastic Resin in Innovative Product Design


From Concept to Creation: The Essential Role of PC Plastic Resin in Innovative Product Design Table of Contents 1. Introduction to PC Plastic Resin 2. What is PC Plastic Resin? 3. Key Properties of PC Plastic 4. Diverse Applications of PC Plastic Resin 4.1 PC Plastic in Consumer Products 4.2 The Role of PC Plastic in the Automotive Industry 4.3 Industrial Ap


2026-01-08

Understanding Makrolon Polycarbonate: A Key Material in Engineering Plastics


Makrolon polycarbonate is a high-performance thermoplastic known for its exceptional strength, transparency, and heat resistance. As an engineering plastic, it stands out in various applications due to its lightweight nature and durable characteristics. With its unique combination of properties, Makrolon is increasingly being utilized in numerous industrial sectors, including automotive, construct


2026-01-06

Understanding PC Plastic Resin: Properties, Applications, and Benefits


Polycarbonate (PC) plastic resin is a thermoplastic polymer known for its exceptional clarity, impact resistance, and dimensional stability. It is one of the most durable and versatile engineering plastics available, making it an ideal choice for a wide range of applications across various industries, including automotive, electronics, and construction. One of the key properties of PC plastic resi


2026-01-02

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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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