It’s reliable to work in No. 7 underwear. The company has a registered trademark, special certification from the industrial and commercial department, a business license, normal operations, a specific office location, good operating status, and no risk records. The actual operations are consistent with the certificates. No. 7 alludes to all aspects of life, like firewood, rice, oil, salt, sauce, vinegar and tea, which means that the products sold in No. 7 warehouse and to be sold in the future will cover the entire daily life of consumers. The warehouse means a place that accommodates all cost-effective goods. Warehouse No. 7 is a sales platform that integrates high-quality products from many brands.