KEY RING（S300/SV300） (Япония - Тендер #37817816)

I am looking for a company that can create a key ring with the following specifications. Please quote if possible.
≪Specifications
Frame material: made of silver 300
■Width: 30mm
Inner diameter: 24mm
Wire diameter: 3.7mm
Thickness: 2,9mm
The material used is a material with a silver content of 30% in consideration of its strength. Silver 300 is used because there are problems such as the key not returning to the open position when it is installed. Please care for Silver 300 by using ordinary silver polish or polish, etc. It is a material with superior strength to 925.
If the key is opened and closed too much, the spring may stretch, making it impossible to open and close, or it may be damaged.

Country: Japan

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