Good night What grade is the mattress?

Middle and high grade. Goodnight mattress is the flagship product of Goodnight Home Industry Co., Ltd., which has been focusing on the research, development, production and sales of high-end mattresses. After years of continuous efforts, it has spread all over the country and become one of the top ten brands of mattresses in China, with a high status and good reputation in the industry, belonging to high-end brands.