Merrick is a brand of home fitness equipment from America, founded in 1987 and headquartered in California, USA. Products cover home fitness equipment, fitness equipment, fitness app and so on. Merrick has many loyal users all over the world, and continues to provide consumers with high-quality fitness products and services.

As for the grade of merrick, it is a well-known brand of household fitness equipment, which has a certain popularity and user recognition in the market. Its products cover different grades from entry level to professional level, which can meet the needs of different consumers. Among similar brands, merrick's mid-to-high-end products have excellent performance, high cost performance and certain market competitiveness.

In a word, merrick is a well-known and recognized brand of household fitness equipment, and its products belong to the middle and high-end grade in the market, with high cost performance and reliable quality.