EPDM hard and soft two composite sealing strips are formed by microwave vulcanization process with smooth and beautiful surface, good elasticity and anti-compression deformation, weather resistance, ozone resistance, chemical resistance and wide operating temperature range (-40 ℃ ~ +120 ℃) and other excellent performance, has been automobile doors and windows curtain wall and other manufacturing widely used. For different shapes, different materials, or cold, heat, foam, real body, as well as with special performance requirements of the product, can meet the design and use needs.