the mattress adds color to your life In addition to passing the national CCC product compulsory safety certification, the mattress has also undergone a series of voluntary product certification and testing, including the CQC China Quality Certification Center certification for thermostats and heating wires, and the far-infrared emission commissioned by the Chinese Academy of Metrology. Rate testing, commissioned by the National Building Materials Testing Center to conduct analysis and testing of hazardous substances, radionuclides and components. These certifications and tests are our confidence in our products and our solemn commitment to consumers.In addition to passing the national CCC product compulsory safety certification, the mattress has also undergone a series of voluntary product certification and testing, including the CQC China Quality Certification Center certification for thermostats and heating wires, and the far-infrared emission commissioned by the Chinese Academy of Metrology. Rate testing, commissioned by the National Building Materials Testing Center to conduct analysis and testing of hazardous substances, radionuclides and components. These certifications and tests are our confidence in our products and our solemn commitment to consumers.