Certifications & Standards
Our products comply with international standards, ensuring reliability for global infrastructure projects.
Certified Excellence
Every certification represents our commitment to consistent quality and international compliance.
ISO 9001
Quality management system certification covering production processes, quality control, and customer service for galvanized steel pipe manufacturing.
GB/T 3091-2015
National standard for welded steel pipes for low-pressure fluid transmission, covering dimensional tolerances, material properties, and testing requirements.
BS 1387
British standard for screwed and socketed steel tubes and tubulars for plain end, gas, and water applications. Applicable to galvanized pipe exports.
EN 10219
European standard for cold-formed welded structural hollow sections of non-alloy and fine-grain steels. Standards for square and rectangular tube exports.
In-House QC Laboratory
In-house quality control laboratory equipped with coating thickness gauges, dimensional inspection tools, and visual inspection protocols for every production batch.
A Legally Established Enterprise
Tianjin Guangxu Steel Co., Ltd. is a fully registered and licensed manufacturer operating under Chinese business law. Our business credentials are publicly verifiable through the National Enterprise Credit Information System.
- Registered in 2016 with a capital of 50 million RMB
- Unified Social Credit Code registered with SAIC
- Business scope: steel rolling, processing, and finished product manufacturing
- Registered address: Datun Industrial Park, Daqiuzhuang Town, Jinghai District, Tianjin
Need Certification Documents?
We provide full documentation packages including mill test certificates and inspection reports with every shipment.
Request Documents