The material of UL wood fire door determines its fire performance and price. For example, the production and processing of mahogany, walnut and oak are designed to produce fireproof door devices with good performance and high price.

ZHTdoors fire doors, 31 years of production experience in fire doors and Windows. The main UL fire doors, EN fire doors,  BS EN fire doors, etc.,.We have certification.ZHTdoors support OEM and free design.Our advantages:good quality, factory price, good service.Welcome to consult us.