Brand mineral water testing tells me how to write it.

1. Firstly, this paper briefly introduces mineral water, a popular drinking water category, and explains the testing standards and methods of brand mineral water.

2. Secondly, describe the specific process of brand mineral water testing. List the detection items of common brand mineral water, and explain their significance and influencing factors.

3. Finally, summarize the test results of brand mineral water and emphasize the importance of maintaining water quality safety and consumer health.