1. Professional Gold Shop: Generally, there are professional gold shops in every region. As long as it is a professional gold shop, platinum will be recycled.

2. Metal recycling companies: Metal recycling companies will also recycle platinum. You can consult your local metal recycling company.

3. Jewelry store: Jewelry stores also provide platinum recycling services, and you can consult local jewelry stores.

4. Banks: Some banks also provide platinum recovery services, and you can consult local banks.

It should be noted that different recycling methods may have different recycling prices and procedures. You need to compare the prices and reputation of different ways and choose the recycling method that suits you best. At the same time, you need to pay attention to protect your platinum jewelry to avoid being cheated or damaged.