ASTM API 5L LSAW steel pipe manufacturer

Trustworthy Steel Solutions Since 1983 Over

40 years, we have developed industrial pipe fittings and flanges for global infrastructure projects. Experience advanced automation and heritage at our 35,000 m² facility.

Global Standards-backed quality All items are ISO 9001, CE, and GOST-R.

Construction, shipbuilding, and oil & gas can trust rigorous testing.

Intelligent, Sustainable Manufacturing Eco-friendly sandblasting and automated 100-meter painting lines reduce waste and maintain precision.

Efficiency never harms sustainability.

High-volume expertise Four lines produce 30,000+ tons annually.

Global bulk shipment is fast with dedicated logistics.

After decades of innovation, multinational industrial alliances seamlessly execute projects using craftsmanship and new technologies.

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Precision Engineering for Demanding Pipelines Choosing

a trusted manufacturer for critical infrastructure ASTM API 5L LSAW steel pipes makes all the difference.

JS FITTING leads the way in high-performance LSAW pipes that match international requirements.

Precision JCOE forming and automated submerged arc welding ensure constant wall thickness and weld integrity for oil, gas, and water transmission applications.

No compromise on quality.

Ultrasonic and hydrostatic pressure examinations are performed on every ASTM API 5L LSAW steel pipe to meet API 5L/ISO 3183 requirements.

As ISO 9001 and API Monogram-licensed manufacturers, our compliance and traceability processes reassure clients.

We focus on customization.

We provide solutions optimized for tough conditions and long-term durability for projects with custom diameters, coatings, or chemical compositions.

JS FITTING solves complicated pipeline problems with innovation and practical insight from decades of energy sector experience.

ASTM API 5L LSAW steel pipe manufacturers should complement your technical team rather than only supply materials.

Built to last, optimized.