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As a leading manufacturer and supplier in China, KAYSUNS delivers high-quality stainless steel, duplex, and nickel alloy piping solutions trusted by global industries.
Years of Industry Experience
Countries Served
Global Clients
As a professional stainless steel pipe and fittings manufacturer and supplier in China, KAYSUNS is your one-stop-shop provider for stainless steel tubings, pipe fittings, flanges, valves, and customized fabrications. We specialize in stainless steel, duplex, and nickel alloy materials.
Our engineered products are trusted by numerous multinational corporations worldwide. With ISO 9001 certification and third-party inspections from SGS, TUV, BV, and more, we ensure every product meets international quality standards.
Comprehensive range of stainless steel, alloy, and duplex piping components engineered for durability and performance.
Available in 304, 316L, 310S, 321, 347H, and other grades. Ideal for high-pressure applications.
Precision-welded tubes for structural and industrial use with excellent corrosion resistance.
High-performance nickel alloys for extreme environments: chemical, marine, and offshore.
High strength and corrosion resistance with 2205, 2507 grades for oil & gas, desalination.
Elbows, tees, reducers, caps in 304, 316L, duplex, and nickel alloys.
High-pressure forged threaded, socket weld, and flange connections.
Cold-drawn and honed tubes for instrumentation, heat exchangers, and hydraulic systems.
Alloy 825, 625, 800H, and titanium tubes for shell & tube heat exchangers.
Comprehensive range including weld neck, slip-on, blind, and lap joint flanges.
Machinable hollow bars for valves, shafts, and high-pressure components.
Quick-connect couplings for fluid transfer in industrial and marine applications.
Tailored solutions including spools, manifolds, and pre-insulated piping systems.
We are an ISO 9001 approved supplier. All materials are sourced from qualified mills and come with EN 10204 3.1 material certificates.
Third-party inspections from SGS, Intertek, TUV, BV, LR, and DNV are available upon request to ensure compliance with international standards.
We specialize in stainless steel (304, 316L, 310S, 321, 347H, 904L), duplex (2205, 2507), and nickel alloys (Inconel 625, 825, Hastelloy C276, 800H).
Yes, we offer custom pipe spools, manifolds, and fittings based on your drawings and specifications.
We are ISO 9001 certified. Material test reports (EN 10204 3.1) are provided. Third-party inspections (SGS, TUV, BV) are available.
Standard products: 2–4 weeks. Custom orders: 4–8 weeks depending on complexity.
Yes, we export to over 35 countries including the USA, India, UAE, Germany, and Australia.
For inquiries, quotes, or technical support, visit our official website to get in touch with our team.
RM901 No.22 Tangjiaqiao Road
Wenzhou, China
+86 577 8551 1171
[email protected]
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