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Resources / Knowledge centre

Technical knowledge.
Project experience.

Technical articles, project cases, certificates and product videos for customers, engineers and procurement teams.

COMPANY NEWS & TECHNICAL ARTICLES

From material
to installation.

Five complete technical articles are now included.

HDPE Double Wall Corrugated Pipes The Future of Underground DrainageTECHNICAL ARTICLE

HDPE Double Wall Corrugated Pipes The Future of Underground Drainage

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HDPE Dredging Pipes Redefining Efficiency, Durability, and Cost in Heavy IndustriesTECHNICAL ARTICLE

HDPE Dredging Pipes Redefining Efficiency, Durability, and Cost in Heavy Industries

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PROJECT CASES

Real application
stories.

Application cases highlight how piping solutions are used in real project conditions.

HDPE Double Wall Corrugated Pipe in an African Municipal Drainage ProjectCASE STUDY

HDPE Double Wall Corrugated Pipe in an African Municipal Drainage Project

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CERTIFICATES

Quality documents
and system certificates.

View Dingrunda’s quality-management and system certification documents.

CNAS QMS Certificate (Chinese)
CNAS QMS Certificate (Chinese)
CNAS QMS Certificate (English)
CNAS QMS Certificate (English)
IQNet ISO 14001:2015 Environmental Management System Certificate
IQNet ISO 14001:2015 Environmental Management System Certificate
IQNet ISO 45001:2018 Occupational Health and Safety Certificate
IQNet ISO 45001:2018 Occupational Health and Safety Certificate
IQNet ISO 9001:2015 Quality Management System Certificate
IQNet ISO 9001:2015 Quality Management System Certificate
ISO 14001 Environmental Management System Certificate
ISO 14001 Environmental Management System Certificate
ISO 14001:2015 Environmental Management System Certificate
ISO 14001:2015 Environmental Management System Certificate
ISO 45001 Occupational Health and Safety Management System Certificate
ISO 45001 Occupational Health and Safety Management System Certificate
ISO 45001:2018 Occupational Health and Safety Management System Certificate
ISO 45001:2018 Occupational Health and Safety Management System Certificate
ISO 9001 Quality Management System Certificate
ISO 9001 Quality Management System Certificate
ISO 9001:2015 Quality Management System Certificate
ISO 9001:2015 Quality Management System Certificate

PRODUCT VIDEOS

Product video
library.

Watch product demonstrations and application videos on Dingrunda’s YouTube channel.

PROJECT SUPPORT

Need a certificate, data sheet or technical answer?

Share your project requirements and our team will help you select a suitable solution.

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