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YONGSE Factory Audio Cables

Brand Profile

Yongse Cable Factory, based in Nanjing, has a history of over 20 years as a supplier of telecommunications and electronic cables. It quickly scaled up to become a major producer of high-end audio upgrade cables for headphones and in-ear monitors (IEMs), utilizing advanced materials such as OCC copper, silver-plated conductors, and innovative Litz designs. Operating a large-scale facility, the company has secured OEM/ODM partnerships with major clients with much more rigorous standards, including Foxconn and Xiaomi, while expanding its exports globally and establishing a strong reputation in the portable audio accessories market.

LAB proven materials

We have lab-reports to back our production, and when using cores/special materials from imported companies, lab reports on material compositions would also be requested.

Factory direct - REAL purity, genuine structure upgrade cables without breaking the bank

With over 20 years of experience in supplying high quality cables to the car industry, technology sector and many more fields, YONGSE offers high-purity, genuine structure upgrade cables engineered for true HiFi performance without breaking the bank.

Crafted in an ISO-compliant manufacturing facility using premium materials and precise processes, these cables deliver exceptional clarity, soundstage, and build quality at affordable prices. Perfect for upgrading your IEMs and headphones with honest, high-fidelity sound.

The ground-breaking price is a result of community support and mass production, and years of innovation and hard work in polishing designs, making them affordable and reliable.

ISO Standard Compliance

YONGSE does not outsource the production and assembly, which means you are able to enjoy much less mark up with much less changes and human errors as uncertainties are eliminated while the production is streamlined.

With ISO compliance, YONGSE demonstrate the ability to consistently provide cable products that meet customer and regulatory requirements, and to enhance customer satisfaction through continual improvement.

You will experience highly consistent quality, well-manufactured products from YONGSE.

How are YONGSE Earphones/Headphones upgrade Cables being made?

We paid a visit to YONGSE's factory in 2025, watch it on Youtube (Click Here) now if you are curious how are your cables manufactured!

The YONGSE Collection

Below we select some of the most iconic YONGSE products. You can also check cables by material using the main menu under Cables.

Angelears x YONGSE

The Angelears x YONGSE collab item "Fujin" named after the wind deity blends meticulous tuning with YONGSE’s material expertise to deliver a refined, airy soundstage with detailed mids and sparkling, controlled highs.

Built with premium conductors, low‑dielectric insulation, and robust, flexible construction, Fujin offers reliable durability and effortless pairing across portable setups. Its elegant finish and precise craftsmanship make it a stylish, high‑value choice for listeners seeking clarity, musicality, and everyday resilience.

You can purchase the Fujin HERE..

A glimpse into the manufacturing process

Material Selection

Material Selection

Selecting the right materials for making fine audio cables is crucial because conductor composition, insulation quality, and shielding directly affect signal fidelity, noise rejection, and long-term reliability. High-purity conductors (like oxygen-free copper or silver-plated copper) reduce resistance and signal loss, while low-dielectric, tightly woven insulation minimizes capacitance and preserves transient detail. Effective shielding prevents electromagnetic interference and ground loops that can muddy sound, and durable jackets and connectors ensure consistent contact and mechanical protection over time. Thoughtful material choices yield clearer, more accurate audio reproduction and a cable that remains stable through years of use.

cable cores fabrication

cable cores fabrication

The process to turn raw materials into a spool of cables for IEM/headphones cable production involve:

Extrusion — forcing molten or semi-molten insulation or jacket material through a die to form a continuous coating around conductors.

Drawing — pulling metal (usually copper or aluminum) through a die to reduce its diameter and improve strength and surface finish (used to make wire).

Stranding — twisting or laying together multiple individual wires to form a multi-strand conductor.

Annealing — heat treating metal wires to restore ductility after cold working.

What else your cables may undergo

What else your cables may undergo

Twisting/laying-up — arranging multiple insulated conductors into pairs, bundles, or specific geometries.

Shielding/braiding — applying metal foil or woven metal braid around the conductors to block electromagnetic interference.

Jacketing — applying the outer protective layer (often by extrusion).

Coating/plating — applying a thin metal layer (e.g., silver or tin plating) to improve conductivity or corrosion resistance.

Consistency in production

Consistency in production


Consistency and Precision, controlled Tension and Stress:
The right choice of machinaries maintain exact tension, pitch, and lay length for conductors and braids, producing uniform geometry and electrical characteristics across every meter.

Human hands inevitably introduce small variations that can change impedance, capacitance, and crosstalk.

Solder & Soldering

Solder & Soldering

Solder quality and the person doing the soldering critically affect IEM cables because the joint determines electrical continuity, contact resistance, and mechanical durability; the right alloy and flux produce low, stable resistance and corrosion protection, while correct technique (proper temperature, fast wetting, neat fillets, and strain relief) prevents cold joints, insulation or driver damage, and breakage from flexing—so skilled soldering yields consistent sound, longevity, and reliable performance.

YONGSE assigns experienced (15+ years exp) staff for higher end products and experienced soldering staff dedicated to the task, to ensure each process is seriously and consistently taken care of.

What matters the most?

What matters the most?

YONGSE has manufactured more than 1,000 different cable SKUs with various compositions and with tough requirements. With vast knowledge—and possibly the largest number of portable audio cable models ever produced— it is recognized that consistent craftsmanship, genuine materials, and attention to often-unadvertised details, such as proper insulation, are all important to delivering a durable and enjoyable product experience.

The focus is always on high conductance, durability, and innovative material blends. At down-to-earth prices, we hope customers can enjoy different formulas and technologies at a fraction of the cost and experience the fun of pairing them with different gear.

ODM/OEM services

We offer ODM/OEM services with YONGSE, combining decades of manufacturing experience, rigorous quality control, and flexible production capabilities to deliver custom-designed cables that meet your specifications for materials, construction, and branding.

Whether you need small-batch bespoke runs or large-scale manufacturing with consistent performance and finish, our engineering team will collaborate on design, prototyping, and scalable production to ensure timely delivery and competitive pricing. For enquiries, please contact us via the contact-us form and let us know your requirements.