Wenzhou Tinsi Steel Co., Ltd | Premium Stainless Steel Tubes & Pipes Manufacturer

About Tinsi Steel

Wenzhou Tinsi Stainless Steel Co., Ltd is a leading manufacturer, stockist, and exporter of stainless steel pipes and tubes. Our team has over 20 years of professional experience focusing on manufacturing stainless steel tubes, pipes, Duplex steel tubes, pipes, and Nickel alloy steel tubes, pipes in industrial, precision, sanitary, capillary, and needle pipe categories.

Our company and warehouse are located in Wenzhou city, China, with our factory for industrial pipes relocated to Songyang. We offer excellent, comprehensive customer service every step of the way, ensuring quality, reliability, and timely delivery across global markets.

20+ Years of Industry Experience
ISO-Certified Manufacturing Processes
Global Export Network
In-House R&D and Quality Control

Our Featured Products

High-quality stainless steel tubes and pipes engineered for industrial, sanitary, precision, and specialized applications.

Industrial Stainless Steel Seamless Tube

Grade: 304 / 316 | Seamless | Made in China

• High pressure resistance
• Corrosion resistant
• Suitable for oil & gas, chemical plants

Sanitary Stainless Steel Tube

Grade: S30408, S31603 | Hygienic Finish

• Electropolished interior
• FDA compliant
• Ideal for food, pharma, biotech

High Precision Stainless Steel Tube

Tolerance: ±0.01mm | Cold Drawn

• Ultra-tight dimensional control
• Smooth surface finish
• Used in instrumentation & automation

Stainless Steel Capillary Tube

OD: 0.5mm - 6.35mm | Seamless

• High burst pressure
• Excellent formability
• Medical, refrigeration, sensors

Needle & Micro Tubing

OD: 0.38mm - 3.17mm | 304/316

• Ultra-thin wall
• Precision drawn
• Medical devices, aerospace

U-Bend Heat Exchanger Tube

Seamless | Mirror Polish Finish

• High thermal conductivity
• Smooth internal surface
• Power plants, HVAC systems

Stainless Steel Fittings

Elbows, Tees, Couplings, Unions

• Compatible with sanitary tubing
• Tri-clamp, weld, threaded options
• Leak-proof sealing

Stainless Steel Flanges

ANSI, DIN, JIS Standards

• Raised face, flat face options
• Weld neck, slip-on, blind types
• High-pressure pipeline systems

Nickel Alloy Tubes

Inconel, Monel, Hastelloy

• Extreme temperature resistance
• Superior corrosion protection
• Petrochemical, marine applications

Hydraulic Stainless Steel Tube

High Pressure | Seamless

• Resists vibration and pulsation
• Long service life
• Construction, mining equipment

Bright Annealed Tubes

BA Finish | Mirror-Like Surface

• No oxide layer after annealing
• Excellent surface quality
• Architectural, decorative uses

Boiler & Superheater Tubes

High-Temp Applications | SA213

• Heat-resistant alloys
• Seamless construction
• Power generation, refineries

View Full Product Catalog

Why Choose Tinsi Steel?

We combine advanced manufacturing, strict quality control, and global logistics to deliver reliable stainless steel solutions.

20+ Years Experience

Proven track record in stainless steel tube manufacturing with deep technical expertise.

Quality Assurance

ISO standards compliance, full material traceability, and rigorous inspection protocols.

Global Export

Products shipped worldwide with reliable logistics and on-time delivery performance.

Dedicated Support

Responsive technical and sales team available to assist with custom requirements.

Frequently Asked Questions

Get answers to common inquiries about our products and services.

What grades of stainless steel do you manufacture?

We produce tubes in common grades such as 304/L (S30408), 316/L (S31603), 321, 310S, as well as duplex (2205), and nickel alloys like Inconel 625 and Monel 400.

Do you offer custom sizes and specifications?

Yes, we support OEM/ODM orders with custom OD, wall thickness, length, finish, and packaging based on your technical drawings or samples.

What is your production capacity and lead time?

We maintain over 3000 tons of ready stock for fast delivery. Standard lead time for custom orders is 15–30 days depending on quantity and complexity.

Are your sanitary tubes compliant with FDA and 3A standards?

Yes, our sanitary tubing is manufactured to meet FDA, 3A, and EHEDG requirements, making them suitable for food, beverage, pharmaceutical, and biotech applications.

Can I request samples before placing an order?

Absolutely. We provide free samples for quality evaluation. Just contact us with your requirements and shipping address.

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Tubes & Pipes Manufacturer