Ring belt is made in the production process will be no joint ring conveyor belt, which is characterized with a core no joints, no joint tape surface defects, even tension, therefore, tape transport balance, the use elongation small, because the joints do not affect the life of the early damage-resistant. Ring core conveyor belt interwoven with high-quality cotton or polyester cotton canvas is made, generally 2-6 Layer or NN-200 Nylon canvas (or polyester canvas) as a strong layer.