What Makes Our pipe fittings Stand Out for you?
Every product undergoes rigorous quality control and 100% nondestructive testing, ensuring defect-free products and minimizing risks.
Strictly control dimensional accuracy to ensure seamless connection, improve assembly efficiency and reduce leakage risks.
We provide competitive pricing without compromising on quality, offering excellent value for money in every product.
We offer quick response times and reliable delivery schedules to meet tight project timelines, enhancing your operational efficiency.
Product Cases
ASTM B163 Incoloy 825 (UNS N08825)
ASTM B163 Incoloy 825 (UNS N08825) seamless tube, size 25.4×2.11×5555 mm. Bright annealed finish, excellent resistance to acids, seawater, and chlorides. Ideal for heat exchangers, condensers, and chemical processing.
Read MoreASTM A213 TP316H Seamless Tube 19.05×2.0
ASTM A213 TP316H seamless tubes, 19.05×2.0×6000 mm, tested with 100% HT + ET + UT. High-temperature stainless steel tubes for heat exchangers, boilers, and petrochemical plants.
Read MoreAluminum Brass C68700 ASTM B111 Seamless
Aluminum Brass C68700 ASTM B111 seamless tube, O61 annealed, size 19×1.6×3000 mm. 100% Eddy Current Tested for condenser and heat exchanger applications with excellent seawater corrosion resistance.
Read MoreASME SB163 Incoloy 800HT (UNS N08811)
ASME SB163 Incoloy 800HT seamless pipe, 64×4.5×4000 mm, bright surface. Excellent high-temperature strength, oxidation resistance, and creep life. Comparison with Incoloy 800H and 825 included.
Read MoreDifferentiated Services: Precisely Meeting Your Business Needs
for Stockists
for End Users
for Traders
Fast Delivery
Efficient production and on-time delivery for your orders
Multiple Product Options
A wide range of seamless tubes to meet various project needs
Small Batch Logo Customization
Custom logos for small batch orders, enhancing your brand identity
Regional Pricing & Protection
Exclusive regional rights and strategic pricing to strengthen your market position
Cost-Effective Products
High-quality products at competitive prices to boost your margins
Flexible MOQ
Adaptable minimum order quantities to fit your business requirements
One-Stop Marketing Solutions
Boost your online image with a complete suite of product marketing visuals and videos
Fastest 7-Day Production Process
Delivery can be made within a minimum of 7 days based on your order size
Continuously upgraded packaging
We offer continuously upgraded packaging to ensure maximum protection and efficiency.
DLSS’s Core Principle: Never Leaving Problems For Clients
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Company News
How Global Desalination Projects Are Redefining
With water scarcity on the rise, seawater desalination has become a critical infrastructure priority—especially in the Middle East, North Africa, Asia-Pacific, and parts of Latin America. These plants rely heavily on heat exchanger systems for energy-efficient freshwater production. And at the core of those systems? Stainless steel tubes that can withstand aggressive chloride-rich environments, pressure […]
Read MoreDisadvantages of Copper Tubes in Heat
Copper tubes have been widely used in heat exchangers for decades, thanks to their excellent thermal conductivity and workability. However, as industries evolve and system requirements become more demanding, copper tubes are facing several limitations in terms of performance, durability, and lifecycle cost. In this blog, we’ll explore the main disadvantages of copper tubes in heat exchangers—and […]
Read MoreSeawater Heat Exchanger Tube Materials: Titanium,
Choosing the right seawater heat exchanger tube materials is one of the most important steps in a seawater heat exchanger project. Seawater contains chlorides and dissolved oxygen. It can cause corrosion very fast if the tube material is not suitable. Common problems include: For engineers and buyers, the best material is not always the most […]
Read More10 Industry Applications of Stainless Steel
Introduction Stainless steel heat exchanger tubes are vital components in thermal systems that manage fluid and gas temperatures. Known for their corrosion resistance, strength, and versatility, these tubes operate under high pressure and temperature conditions in a wide variety of industries. Whether you’re an engineer, project planner, or procurement officer, understanding where and why these […]
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