FITTING is a leading buttweld steel pipe cap fitting manufacturer that provides precision-engineered industrial plumbing solutions.
We provide durable ASTM-compliant caps (A234, A403 grades) for oil & gas, chemical, and power generation applications.
Our ISO 9001 and PED-certified items are leak-proof at severe pressures.
Our staff customizes standard or bespoke caps' size, thickness, and material grades (including stainless steel and alloys) to project standards.
We value speed without sacrificing quality as a client-focused **Buttweld steel pipe Cap manufacturer**.
CNC machining and thorough testing ensure every cap resists corrosion, heat, and mechanical stress.
For seamless pipe integration, low maintenance, and long-term durability, use JS FITTING.
Project fittings should meet worldwide standards and meet operational needs.
A partner for difficult pipe issues with precision, compliance, and customized solutions.
of Precision Engineering JS FITTINGS has perfected steel fittings for essential infrastructure since 1983. Experience meets innovation across generations.
## Quality Global Standards-backed Critical quality checks meet ISO 9001, CE, and GOST-R requirements for worldwide reliability.
Every fitment meets rigorous industrial standards.
### Smart Factory, Sustainable Future 100-meter robotic painting and energy-efficient sandblasting save waste.
Precision and resource conservation are achieved via automation.
Built for Large Partnerships Four manufacturing lines generate 30,000+ tons annually.
The logistics staff handles massive orders with military accuracy for global delivery.

JS FITTING is a leading Buttweld steel pipe Cap fitting manufacturer trusted by industries worldwide for durability and leak-proof performance.
Our caps seal pipes firmly, assuring long-term reliability in high-pressure settings.
We mix innovative production methods with premium materials including carbon steel, stainless steel, and alloy steel with decades of experience.
Every **Buttweld steel pipe Cap fitting** is quality-checked to satisfy ASME, ANSI, and ASTM standards, ensuring project compliance.
Our service is around customization.
Our team provides customized solutions without sacrificing turnaround time for custom measurements, coatings, or materials.
JS FITTING, a global buttweld steel pipe Cap fitting manufacturer, supplies oil and gas, chemical processing, and other industries with rugged components.
JS FITTING promotes accuracy, longevity, and smooth pipe system integration.
Our ingenuity and customer-centric engineering keep your operations running smoothly.
The correct cap fitting seals and improves system performance—trust durable solutions.
Learn about our latest products and discounts through SMS or email