About KSW
Company Introduction
KSW is a China-based manufacturer specializing in large-diameter copper alloy and stainless steel pipes, fittings, and fluid system components for marine, offshore, and industrial applications.
The company has strong engineering and R&D capabilities, supported by a portfolio of 26 patented technologies in non-ferrous metal processing, surface treatment, and specialized equipment design.
KSW operates under ISO 9001, ISO 14001, and ISO 45001 certified management systems, and is a DNV-approved manufacturer for copper alloy products.

Why Choose KSW
Core capabilities that set us apart
Advanced Manufacturing
Specialized in large-diameter and thick-wall pipe production with precision processing of CuNi and non-ferrous alloys.
Integrated Production
From raw material to finished product with full quality control, consistent metallurgical properties, and traceable workflows.
Material Expertise
Deep expertise in CuNi alloys (C70600, C71500), optimized for seawater corrosion resistance and durability.
Custom Engineering
Tailored solutions for non-standard sizes and special requirements. Flexible production for project-based and long-term supply.
R&D and Innovation
Dedicated technical team with 26 patented technologies in non-ferrous metal processing, equipment design, and manufacturing.
Quality & Reliability
Strict quality control across all stages. Compliance with ASTM/ASME, EN, JIS. Proven in high-demand environments.
Our Facilities
