40+ Production Lines | 100% Commitment to Stainless Steel Quality

Your Trusted Partner for Seamless Pipes, Tubing & Pipe Fittings

DLSS by Numbers: Precision, Efficiency & Trust

Automated Factories with Advanced Pipe Production Lines

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Global Payment Options for Stainless Steel Exports

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Heat Exchanger Manufacturers Using DLSS Pipes & Tubing

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Tailor-Made Pipework & Fittings Solutions Completed

Choose Your Competitive Product , Now!

Compared to most suppliers, DLSS focuses exclusively on manufacturing high-quality stainless steel pipes, tubing, and fittings — providing competitive advantages, precision customization, and globally recognized certifications.

Product Cases

TP2 C12200 Red Copper Seamless Pipe

TP2 C12200 Red Copper Seamless Pipe 127×4×3860 mm with Aluminium Brass Tube. Hig...

ASTM A358 CL1 TP321/TP321H Welded Pipe

ASTM A358 CL1 TP321/TP321H stainless steel welded pipe, 355.6×6.35×5970MM, pickl...

ASTM B407 Alloy 800H (UNS N08810)

ASTM B407 Alloy 800H (UNS N08810) seamless pipe, size 50.8×5.16×6096 mm (20FT). ...

ASTM B466 C70600 (O60) Seamless Pipe

ASTM B466 C70600 (O60) seamless copper-nickel pipe, size 88.9×5.49×3000 mm. CuNi...

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If you have connections with professionals in the heat exchanger, boiler, or industrial manufacturing industries.

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Welcome To DLSS Family — Your Reliable Stainless Steel Pipe Partner

At DLSS, we don’t just manufacture stainless steel pipes — we deliver trust, precision, and performance.
For over 30 years, our seamless and welded stainless steel tubes have powered heat exchangers, boilers, and process systems worldwide.

We believe every project deserves timely delivery, stable quality, and transparent communication.
With 40+ advanced production lines and flexible customization options, DLSS keeps your operations efficient, reliable, and ahead of schedule.

When you partner with DLSS, you gain more than a supplier — you gain a long-term partner dedicated to your success.

Discover More About DLSS Stainless Steel Pipes & Tubing

DLSS One-Stop Service for Stainless Steel Pipes & Tubing

Save Worry, Save Time, Save Cost — From Design to Delivery

Understand your market and project needs precisely

Innovate high-performance stainless steel pipes & tubing

Offer flexible and competitive pricing for custom solutions

Ensure top quality to strengthen your brand reputation

Deliver efficient, reliable, and traceable solutions

Build long-term partnerships and market advantages

DLSS Certification

ISO Series：ISO 9001, ISO 18001, ISO 14001

Classification Society Series：ABS, DNV.GL, BV, LR, NK, CCS

Other Certification：PED, AD2000, API, TS, CRN NO etc.

DLSS Partners

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DLSS offers outstanding quality at competitive prices. Their products provide excellent value for money, making them the best choice for businesses looking for cost-effective yet high-performance stainless steel solutions.

John D.*

Working with DLSS has been a seamless experience. Their ability to deliver on time, even for large-scale orders, has helped us maintain smooth operations without any delays. We highly appreciate their professionalism and reliability.

Michael S.*

What sets DLSS apart is their exceptional after-sales support. Whenever we have inquiries or need assistance, their team is always responsive and helpful. This level of service gives us great confidence in their products.

Emily R.*

Our Sustainability Efforts for the Next Generation

Environmental protection treatment

Eco-Friendly Manufacturing

Clean Energy

Durable Products

Our Mission

At DLSS, we turn stainless steel into strength and reliability.
Our mission is to innovate with precision, integrate global expertise, and provide smarter stainless steel pipe and tubing solutions for industries that power the world.

Through continuous R&D, we improve corrosion resistance, manufacturing accuracy, and sustainability — ensuring every heat exchanger tube, seamless pipe, and fitting meets the highest international standards.

We don’t just make products; we create value. By understanding our customers’ real-world challenges, we help them reduce risks, save costs, and achieve long-term success.

At DLSS, we lead with knowledge, act with integrity, and deliver results that truly matter.