▎ 摘　　要

NOVELTY - The utility model belongs to the technical field of cable, claims an HDMI high definition signal line, the HDMI high definition line comprises a third part assembly, a second part assembly, a first part assembly, a sheath, graphene shielding sleeve and an aluminium foil shielding sleeve, the third part assembly comprises a third locating sleeve and four signal detection lines; the second component component and the first component component are spirally twisted on the periphery of the third component component; graphene shielding sleeve and the aluminium foil shielding sleeve are set in the sheath graphene the shielding sleeve is covered on the periphery of the first component assembly, the outer circumference of the second component assembly and the outer circumference of the third component assembly, the aluminium foil shielding sleeve is covered on the periphery graphene the shielding sleeve. The utility model can increase the flexibility of the product, and it is convenient to use in complex environment.