The following points should be noted when optimizing keyword rankings in Alibaba titles:

1. Keyword density: Use keywords in the title, but don’t overdo it. It is generally recommended to be within the range of 5-8%.

2. Concise introduction: The title should be concise and concise, and try to avoid using irrelevant or redundant words.

3. High-weight words: It is usually easier to rank using keywords with high weights, such as popular product models, brands, manufacturers, etc.

4. Specific description: Using specific descriptions in the title can help search engines better understand your products and related information.

5. Avoid repetition: Avoid using the same keywords or phrases repeatedly, which may be regarded as spam and punished by search engines.

6. Summary: Put key information at the beginning of the title, so that search engines can find your products faster and improve search rankings.

The above are some basic points for optimizing keyword rankings in Alibaba titles. I hope it will be helpful to you.