memory foam mattress 1. 5cm memory foam, 18cm pocket spring 2. certificate:ISO9001:2008 3.Warranty:10 years Memory foam mattress JLH furniture co.,ltd is one of the biggest originnal manufacturer in China,located in famous furniture city,foshan city,with more than 80,000 square meters area facotory and more than 500 hundred workers,we already exported our mattress for more than 70 country all ...