Steel Wire Manufacturer Taiwan | High Carbon, Piano & Stainless Steel Wire

PRODUCTS

Hard Drawn Steel Wire

ll products are strictly manufactured in compliance with the JIS G 3521 international standard, using high-quality SWRH 42A–82B high-carbon steel wire rods, processed through a precision cold drawing process.

Piano Wire

We focus on supplying high-quality Piano Wire, strictly complying with the JIS G 3522 international standard. We directly import premium SWRS 82A–87A high-carbon steel wire rods from top steel mills in Japan (Nippon Steel, Kobe Steel), Korea, and Taiwan.

Galvanized Spring Steel Wire

Nancheng Enterprise supplies Galvanized Steel Wire for Springs in compliance with the JIS G 3548 standard. We carefully select SWRH 57A–82B high-carbon steel as the base material and apply advanced hot-dip galvanizing or electro-galvanizing processes to form a dense zinc protective layer on the steel wire surface.

Stainless Steel Wire For Spring

Nancheng Enterprise supplies Stainless Steel Wire for Springs compliant with the JIS G 4314 international standard. We carefully select SUS 304 and SUS 316 series materials from first-tier steel mills in Japan and Korea, ensuring precise nickel and chromium alloy ratios to deliver excellent corrosion resistance in stainless steel wire for springs.

Oil-Tempered Chromium–Silicon Alloy Steel Wire for Mechanical Springs

We specialize in supplying oil tempered wire required for high-end industrial springs, strictly complying with the JIS G 3560 international standard. Our primary oil tempered wire products are made of silicon–chromium alloy steel (Si-Cr alloy steel) and processed through precise oil quenching and tempering heat treatment, giving the wire exceptional toughness that surpasses ordinary carbon steel wire.

Oil-Tempered Chromium–Silicon Alloy Steel Wire for Valve Springs

Oil Tempered Wire for Valve Springs complies with the JIS G 3561 standard and is manufactured from silicon–chromium alloy steel (Silicon-Chromium Alloy Steel).

Phosphor Bronze Wire

Phosphor Bronze Wire complies with the JIS H 3110 standard and is manufactured from C5210 high-performance phosphor bronze material.

Shaped Wire / Straightened Wire

Our company provides customized manufacturing services for Shaped Wire and Straightened Wire.

The Leader in High Carbon Steel Wire-drawing Processing

Committed to Product Innovation and Continuous Technology Development

Founded in 1984, Nancheng Enterprise obtained ISO 9002 quality certification in April 2000.
We specialize in multi-stage metal wire drawing and processing, focusing on the research, manufacturing, and sales of various metal wire products, including high-carbon steel wire, stainless steel wire, piano wire, galvanized steel wire, and oil-tempered wire.
We also provide customized wire products tailored to customer requirements, such as flattened wire, shaped wire, and other special specifications. Our in-house brands include Dragon Ball and UP WIRE.
Our wire products are widely used in food, apparel, housing, covering materials, and transportation industries—for applications such as kitchen appliances and watches. Spring wires are also extensively used in household products, DIY tools, umbrella frames, and more.

Stable and Reliable Quality

From raw material selection to final outgoing inspection, we implement a rigorous quality control system at every stage of production, ensuring consistent and dependable wire quality batch after batch.

Precision Manufacturing

Equipped with advanced drawing technology and multi-stage processing systems, we deliver high-strength, highly consistent wire products with exceptional precision.

Flexible Customization

We provide tailored wire solutions to meet diverse industry needs, including shaped wire, flattened wire, and various specialized specifications.

Comprehensive Product Range

Our complete product portfolio—including stainless steel wire, high carbon steel wire, oil-tempered wire, piano wire, and more—covers a full spectrum of sizes and specifications.

Fast and Reliable Delivery

With multiple warehousing locations across Taiwan, we maintain abundant inventory and ensure prompt, reliable delivery to support your production needs.

Trusted Brands

Our in-house brands, “Dragon Ball” and “UP WIRE,” are widely recognized across Taiwan and Southeast Asia, earning strong recognition and trust throughout the industry.

NEWS

2026/06/18

Steel Wire Export Supply FAQ: Documents, Packaging, Lead Time, Traceability and Long-Term Procurement Planning

Find answers to common questions about steel wire export supply, documents, packaging, lead time, traceability and long-term procurement planning.

2026/06/17

Steel Wire for Industrial Hardware: Clips, Hooks, Fasteners, Wire Forms and Custom Component Supply

Learn how to choose steel wire for industrial hardware such as clips, hooks, fasteners, wire forms and custom components.

2026/06/17

Steel Wire for Spring Manufacturers FAQ: Material Grade, Diameter, Tolerance, Documents and Stable Supply

Find answers to common questions about steel wire material grade, diameter, tolerance, documents, samples and stable supply for spring manufacturers.

technical quality control

Nan Cheng Steel Wire Co., Ltd. is a leading steel wire manufacturer in Taiwan, specializing in high carbon steel wire drawing and precision metal wire processing.

With more than 40 years of manufacturing experience, we provide high-quality piano wire, stainless steel wire, galvanized steel wire, and customized wire solutions for global industries including automotive, hardware, fashion accessories, and sports equipment.

Through advanced multi-stage processing technologies, including wire drawing, annealing, oil tempering, coating, and precision forming, Nan Cheng helps customers achieve stable material performance, precise specifications, and reliable supply.

Our ISO 9001 certified production system ensures consistent quality and efficient delivery for customers across the Asia-Pacific region.