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High Quality

High Quality

High quality, safety, durability, reliable performance, simple and stable operation... 
High quality, safety, durability, reliable performance, simple and stable operation... 

These are the qualities that we provide, and our clients pursue.

 

 

To achieve ensure these qualities:

We strictly control the quality in every production process from raw materials to the smallest components.

 

 

Through our 20 years of hard work and persistence, our company have been providing the best products and services for our clients, which results in our promising and popular reputation in the European and American markets. 

These are the qualities that we provide, and our clients pursue.

 

To achieve ensure these qualities:

We strictly control the quality in every production process from raw materials to the smallest components.

 

Through our 20 years of hard work and persistence, our company have been providing the best products and services for our clients, which results in our promising and popular reputation in the European and American markets. 

Material

Material

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这是描述信息

High quality material in according to industry standard

From the performance to thickness tolerance, all of the materials strictly conform to the industry standard, which provides a guarantees for stability and quality.

High quality material in according to industry standard

From the performance to thickness tolerance, all of the materials strictly conform to the industry standard, which provides a guarantees for stability and quality.

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这是描述信息

High grade tempered steel gears

High grade tempered steel gears

Our high grade steel material and standard surface heat treatment, ensures excellent performance for all gears used in drive system.

Our high grade steel material and standard surface heat treatment, ensures excellent performance for all gears used in drive system.

Production

Production

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Automatic welding

Automatic welding

Our application of standard automatic welding helps provide efficient production and stable quality.

Our application of standard automatic welding helps provide efficient production and stable quality.

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Surface treatment

Surface treatment

To ensure our products’ corrosion resistance in harsh environments, we offer various surface treatments in accordance to the industry standard as your request.

To ensure our products’ corrosion resistance in harsh environments, we offer various surface treatments in accordance to the industry standard as your request.

Quality Inspection Control

Quality Inspection Control

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Strict product quality control and product inspection, strictly follows the ISO9001 standard.

Strict product quality control and product inspection, strictly follows the ISO9001 standard.

Qingdao Donglu Industries Ltd.

Add:24C, Huaren International Mansion,
2 Shandong Road,
 Qingdao, China

Qingdao Donglu Industries Ltd.

Add:24C, Huaren International Mansion,
2 Shandong Road,
 Qingdao, China

TEL:+86-532-80971100
Email: info@dnl.com

Copyright © 2022 Qingdao Donglu Industries Ltd.,All Rights Reserved   鲁ICP备2022023187号

Copyright © 2022 Qingdao Donglu Industries Ltd.,All Rights Reserved   鲁ICP备2022023187号