Yahong is a world leading manufacturer of foam glass and rigid flame-retardant polyurethane foam plastics. Its product quality meets international standards. It can independently develop process formulas according to different requirements and uses. Its product quality is superior to industry standards. In recent years, the company's product categories have been constantly improved, and it has passed the ISO9001: 2015 international quality system certification, ISO14001: 2015 environmental management system certification and GB/T28001: 2007 occupational health and safety management system certification.