(1) Parameter of conductor Width: 5~18mm Thickness: 2~5mm Cross sectional area: 10~40mm² (2) Insulating material Glass yarn, polyester yarn and film band insulating material. (3) Number of insulating material tiers Two tiers of glass yarn and two tiers of film. (4) Way of covering Cross covering with glass yarn and cross lapping with film. (5) Pitch of covering heads Pitch of film: 5mm~18mm Pitch of glass yarn: 2.5mm~5mm