We are very glad to supply our technical support for you no matter whether you purchase our products!
| Coating | thickness (Microns) | Color | Resistance | |
| Passivation | 1 | Silver Grey | Temporay Protection | |
| Nickel | Ni+Ni | 10—20 | Bright Silver | Excellent Against Humidity |
| Ni+Cu+Ni | ||||
| Zinc | Zn | 8—20 | Bright Blue | Good Aganist Salt Spray |
| C-Zn | Shinny Color | Excellent Against Salt Spray | ||
| Tin | Ni+Cu+Su | 15—20 | Silver | Superior Against Humidity |
| Gold | Ni+Cu+Au | 10—20 | Gold | Superior Against Humidity |
| Copper | Ni+Cu | 10—20 | Gold | Temporay Protection |
| Epoxy | Epoxy | 15—25 | Black,Red,Grey | Excellent Against Humidity&Salt Spray |
| Ni+Cu+Epoxy | ||||
| Zn+Epoxy | ||||
| Chemical | Ni | 10—20 | Silver Grey | Excellent Against Humidity |
| Paryiene | Parytene | 5—20 | Grey | Excellent Against Humidity, Salt Spray,Superior Against Humidity,Gases, Fungi and Bacteria |
Transportation
All available shipping ways could be applied by courier, air or sea.
Appointed shipping company or our own forwarders all could be used in shipment.
Full-way tracking the cargos for you before the goods arrive.
Why Choose Us
Hangzhou Rongchang Magnet Co., Ltd. was established in March, 2003 and covers an area of
5,000 square meters. With many years' development, it had became an integrated manufacturer
which was specialized in research, production and marketing AlNiCo magnets, NdFeB magnets
and related assemblies, distributing SmCo magnet and Ferrite magnet.
We have passed ISO9001: 2008 and our products are widely used in many fields such as the
electronic,medical treatment, car, aviation, military technology, speaker, guitar, magnetic separator,
motor, balance, farm,toy and jewelry. The products are widely exported to the countries around the
world especially Europe, North American and South-east Asia.