MITUBACI BLOG

Let's clean a black discolored silver ring.

I am trying to clean a silver ring that is over 20 years old and has turned black. This is a simple method using baking soda and a brush. I hope this will be helpful for those who have a silver ring that has turned black that they want to use for the first time in a while. Hello, I am MITUBACI craftsman Shindo. Last time...

Recycling of Metals

Do you know about metal recycling? Here is an introduction to the recycling of gold, platinum, and other highly valuable metals. I am Fujimori, a craftsman at MITUBACI. Today, I would like to talk about the metals we recycle at MITUBACI. The metals we are currently handling at MITUBACI are shi...

Free allergy test ring rental

I want to make a wedding or engagement ring, but I'm worried about metal allergies.... For those who are concerned about their allergies, we offer free rental of allergy test rings made of the exact same metals used in MITUBACI (honeybee) wedding and engagement rings before you actually order your rings. Rental...