API Spec. 5L Certificate

The release of the API 5L standard is of milestone significance and has attracted the attention of global pipeline engineers and industry experts. API 5L standard is formulated by API Technical Committee, which mainly covers pipeline manufacturing, installation, inspection, test, etc. Its main purpose is to make the quality of pipeline steel more stable, service life longer, and ensure the safety and reliability of pipeline.

Yuantai Derun submitted an application for steel pipe product certification in May 2023. Passed on July 17, 2023, with a certification period ending in July 2026.