manufacturer of big diameter steel pipe fittings, JS FITTING provides precision-engineered solutions for demanding industrial applications.
Our decades of experience in making heavy-duty fittings that satisfy ASTM/API requirements ensure longevity in harsh environments.
We provide elbows, reducers, flanges, and bespoke connectors with configurable requirements for easy integration.
For oil and gas pipelines, water treatment facilities, and energy systems, our industrial pipe solutions serve key global infrastructure projects with unsurpassed dependability.
Quality is in every step—from material selection to modern production.
By stressing precision and compliance, JS FITTING guarantees fits that reduce downtime and increase operational efficiency.
JS FITTING is a trusted partner for industries needing stable, scalable pipework.
Globally trusted, our products meet complicated project demands with reliable performance.
A dedication to innovation and client-focused engineering characterizes our approach to tackling current infrastructure concerns.
almost four decades, we've made precise steel pipe fittings for global industries. At our 35,000 m² facility, four advanced production lines produce 30,000+ tons of ASTM/EN-certified flanges, pipes, and fittings annually.
## Quality Global Standards-backed Every product is rigorously tested for ISO 9001, CE, and GOST-R certification.
Built for harsh oil & gas, construction, and shipbuilding situations.
Smart Manufacturing, Sustainable Future Automated 100-meter painting systems and eco-friendly sandblasting ensure precise finishes with minimum waste.
Excellent for large-scale industrial needs.
Everytime Fast Global Delivery Over 30,000 bulk orders are sent annually via a specialized logistical network.
From manufacture to installation, durable packaging safeguards goods.
Technical expertise and efficient supply chain coordination support steel systems designed to survive decades of severe usage.

Working with a renowned producer of big diameter steel pipe fittings provides durability and performance under harsh situations.
Our solutions are based on decades of fitting experience in oil and gas, water treatment, and industrial infrastructure.
Every component is precision-engineered using sophisticated forming, welding, and testing methods to satisfy requirements.
As a licensed big diameter steel pipe fittings manufacturer, we follow ISO, API, and ASTM requirements to provide products that survive high pressure and corrosion.
Complex tasks require customization.
Our team works with engineers to customize solutions for non-standard dimensions, coatings, and material grades.
Logistics coordination and technical documents are included in our project support from consultation to installation.
Even urgent or big purchases are delivered quickly by our global network.
Keep infrastructure projects on pace and within budget with an innovative, reliable partner.
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