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Quality carbon steel forged flanges that satisfy your requirements.
JSFITTINGS, a 40+ years manufacturer based in China, listens to you and delivers what you need!
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We have established close partnerships with numerous oil &gas companies, inventory dealers, and engineering companies worldwide.
Our factory offers all kinds of industrial carbon steel/stainless steel forged flanges, including A105 carbon steel flanges, WN Flange/Weld Neck Flanges, SO Flange/Slip-on Flanges, Threaded Flanges, Socket Weld Flanges, Blind Flanges, Plate Flanges, Lap Joint Flanges, etc.
All our pipe flanges strictly adhere to global standards, including: ASME B16.5, ASME B16.47, ASME B16.48; ANSI B16.5, GOST 33259, GOST 12820, GOST 12821, EN 1092, BS 4504 flange, AWWA C207-07, DIN standards, etc.
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Connect with JS FITTINGS, you will get reliable solution of fittings, flanges, and pipes.
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40+ Year Experience
Produce cabon steel pipe fittings and flanges, Since 1983. JSFITTINGS is proficient in ASME, GOST, JIS, DIN, SABS, BS, etc.
Professional pre-sales consultation, on-sale process, and after sales service.
Certified Quality
Approved by CE, ISO and GOST-R, strictly production to guarabtee quality. With wide range of testing and inspection services available, JS FITTINGS can help you maintain compliance with industry and customer specifications.
Advanced Technology
JSFITTINGS owns 2 new sandblasting equipment can blast 1/2”-40” fittings. The 100-meters automatic painting lines for flanges and fittings are more efficient and environmentally friendly.
Gurantees Delivery
Annual production up to 30,000 tons & lower wholesale price. Stable monthly output: 700 tons of flanges, 800 tons of pipe fittings. Government support: Environmental certificate
Exclusive logistics fleet and professional shipping agents.
Materials Available
Carbon steel: ASTM/ASME A234 WPB-WPC
Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911
Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
WE WORK BY HEART
JSFITTINGS butt weld fittings and flanges are made with precision and care. Our team is dedicated to creating a comfortable experience for our customers. You can be rest assured that when you choose us, you’re choosing more than just a product.
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Our QC process begins from the moment raw materials arrive at our facility. Each batch is thoroughly inspected to ensure it meets our high standards. From there, each stage of the production process involves rigorous checks and inspections to catch any potential issues early.



We utilize state-of-the-art testing equipment to measure and analyze the physical and chemical properties of our products. This includes hardness testers, spectrometers, impact testing machines, and more. These tools allow us to ensure the consistency and reliability of our products.








We’re here to help and answer any question you might have. All your needs for steel pipes, fittings, and flanges will be met through JS FITTINGS.
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