​Welcome to 3S International Company Limited

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Manifolds

Specializing in the production
of stainless steel manifold.The smallest size we can produce is 
1/2", 
the maximum size is16".
A wide range of variety,good appearance.

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Flanged Manifolds
 
Manufacturing stainless steel 304, 304L, 316, 316L. We also supply customized products depending on your samples
and drawings.

 
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Valve

Producing valves with API 602 standard including forged steel gate valves, stop valve, check valve and ball valve.


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Pipe Fittings
Specializing in the production
of industrial pipe fittings, which include
elbow, tee, cross, reducer, coupling, nipple,union, U-bolts, and so on.
OUr products meet DIN/ANSI/
JIS standard and are available
for injection and processing.

 News and Events
Material selection remains the most consequential decision in manifold specification. Choose incorrectly and corrosion, fatigue, or contamination will force premature replacement. This guide compares six common manifold materials across key performance metrics.Material Comparison Matrix:MaterialCorr

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2026-04

Pneumatic Manifold Failure: 6 Common Causes and How to Prevent Them
Pneumatic manifold failures disrupt production lines, increase maintenance costs, and create safety hazards. Understanding root causes helps engineers specify more reliable components and extend service intervals.1. Contamination IngressCompressed air systems contain moisture, oil aerosols, and part

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2026-03

How to Select the Right Hydraulic Manifold for Your Application
Selecting the wrong hydraulic manifold can lead to pressure drops, leakage, and premature system failure. With thousands of configurations available, engineers need a systematic approach to match manifold design to application requirements.1. Operating Pressure RangeDetermine maximum and continuous

18

2026-03

Designed for Continuity: How Redundant Manifold Configurations Prevent System Downtime
In critical applications—hospitals, data centers, continuous process industries—downtime is not an option. Single-point failures in fluid distribution can cascade into complete system shutdowns. Redundant manifold configurations provide the continuity essential for mission-critical operations.Unders
  • May
    21
    [Industry News] 3S Expands Production Capacity to Meet Growing Demand
    We arranged the production for the manifold which is 12”, PN16 and 2000mm in length after receiving the order. Finally we successfully delivered the goods within 2 weeks and get good comment from customer. 3S adheres to provide customers with satisfactory products, to achieve customer first, dedicat
  • May
    22
    [Industry News] 3S Introduces Anti-Corrosion Coating for Marine Applications
    We arranged the production for the manifold which is 12”, PN16 and 2000mm in length after receiving the order. Finally we successfully delivered the goods within 2 weeks and get good comment from customer. 3S adheres to provide customers with satisfactory products, to achieve customer first, dedicat
  • Mar
    07
    [Industry News] 3S Successfully Delivered Manifolds to Customer Within 2 Weeks
    We arranged the production for the manifold which is 12”, PN16 and 2000mm in length after receiving the order. Finally we successfully delivered the goods within 2 weeks and get good comment from customer. 3S adheres to provide customers with satisfactory products, to achieve customer first, dedicat
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