What is the formaldehyde content of Hongyi mattress?

Not included. Hongyi mattress is one of the top ten mattress brands in the world, aiming to build the first mattress in the world. It has a professional R&D team, constantly carries out technological innovation, and holds a number of technical patents. This brand mattress adopts a variety of advanced technologies and materials, all of which are environmentally friendly and contain no methanol. The advantages of this mattress are high fit, good support, environmental protection and health, and its trace element function and meridian regulation function greatly improve the sleep quality of users.