Excellence Four ANSI flanges guarantee leak-proof connections in high-pressure systems in oil, gas, and chemical industries.
JS FITTING is a reputable **4 ANSI flange manufacturer** that makes durable ANSI B16.5 flanges.
Made to Last with Premium Materials Carbon steel and stainless steel make our flanges corrosion-resistant and durable.
JS FITTING offers unique designs and conventional sizes without sacrificing quality.
Global Application Certified International approvals require comprehensive testing of every flange.
Our products work safely and efficiently in harsh environments in construction and refinery pipes.
Why Pick JS Fitting?
As a top industrial flange provider, we focus system integration.
Flanges that meet your project's technical requirements are guaranteed by our ANSI-compliant production.
JS FITTING, trusted by industries worldwide, combines technical accuracy with responsive customisation to streamline processes.
Fittings Four Decades of Precision We make steel fittings with unsurpassed skill since 1983. Every product represents 42 years of pipe manufacturing innovation.
Assured global standards Thorough testing assures ISO 9001, CE, and GOST-R compliance.
Industrial dependability fulfills oil, gas, and construction needs.
### Smart Sustainable Production Waste is reduced by automated 100-meter painting lines.
Sustainable sandblasting systems promote efficiency and the environment.
Expertise in High Volume Four sophisticated lines generate 30,053+ tons annually.
A specialized logistics team expedites large purchases to 30+ countries.
Built for Heavy Industries Components endure harsh environments in offshore platforms and towers.
Success comes from seamless global infrastructure integration.
Every fitting, flange, and pipe combines advanced robots with human skill.
Precision engineering meets scalable solutions for tomorrow’s challenges.

for high-pressure pipe connections. JS FITTING creates precision-engineered **4 ANSI flange solutions** that meet rigorous ANSI criteria for smooth compatibility and leak-free performance.
We create durable, compliant **4 ANSI flanges** for oil and gas, chemical processing, and water treatment.
Our high-temperature, corrosion-resistant flanges are made of premium materials.
Our staff uses decades of experience to meet your project's needs, whether you require conventional sizes or bespoke 4 ANSI flanges.
From bolt-hole alignment to pressure ratings, ANSI standards save downtime and maintenance costs.
Engineers and procurement experts trust JS FITTING's unique production methods and industry experience.
Fast speed and quality make robust flange systems easier to source without losing performance.
Contact us to see how our **4 ANSI flange solutions** can enhance your operations.
Precision engineering makes all flanges work well in demanding conditions.
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