OCC 99.99998% 4N 5N 6N Ohno Continuous Cast Enameled / Bare copper wire
High-purity OCC bare copper wire has a wide range of applications, mainly for audio equipment, car audio, high-end power amplifiers, earphones and speakers. Compared with traditional copper wires, high-purity OCC bare copper wires can significantly improve sound quality, making music more delicate, clear, dynamic and vivid.
High-purity OCC bare copper wire has become a very popular choice among music lovers. In other fields, high-purity OCC bare copper wire also has certain applications, such as power transmission, metallurgical processing, chemical industry, etc. Due to the excellent performance of high-purity OCC bare copper wire, it can effectively reduce the energy loss in current transmission and the resistance of electron flow, thereby improving energy utilization efficiency, and has excellent performance in high-frequency transmission and high-current transmission.
Our carefully manufactured high-purity OCC bare copper wire has other advantages, such as stable electrical performance, corrosion resistance, wear resistance, etc., and our products are more durable and reliable, and can work stably for a long time.
In a word, whether you are a music lover or work in a field that requires high-quality wires, the high-purity OCC bare copper wires and enameled wires we provide can bring you excellent performance and excellent performance. Please choose our products, we can provide you with excellent quality and honest service, so that your project can achieve the best results!
Item |
OCC |
OFC |
Purity |
>99.99998% |
>99.99% |
Specific gravity |
8.938 |
8.926 |
Gas impurities(O2) |
<than 5ppm |
<than 10ppm |
Gas impurities(H2) |
<than 0.25ppm |
<than 0.50ppm |
Average crystal size |
125.00 meters |
0.02 meters |
Crystal per meter |
0.008pcs |
50.00pcs |






Automotive coil

sensor

special transformer

special micro motor

inductor

Relay


Customer Oriented,Innovation brings more Value
RUIYUAN is a solution provider, which requires us to be more professional on wires, insulation material and your applications.
Ruiyuan has a heritage of innovation, along with advancements in enameled copper wire, our company has grown through an unwavering commitment to integrity, service and responsiveness to our customers.
We look forward to continuing to grow on the basis of quality, innovation and service.




7-10 days Average delivery time.
90% European and North American customers. Such as PTR,ELSIT, STS etc.
95% Repurchase rate
99.3% Satisfaction rate. Class A supplier verified by German customer.