Seamless belts are made of imported high strength glass fiber yarns and Kevlar (aromatic polyamide fiber), which is knitted by a circular weaving machine into a hollow fabric, and coated with teflon resin (PTFE) in a unique technological process.

• 无缝带采用进口高强度玻璃纤维纱及凯芙拉（芳纶）经圆织设备整幅编织筒状织物，采用独特的工艺技术涂覆特氟龙树脂（PTFE）制成的。