We are lead manufacturer of copper bus bar Rhi provides bus bar, copper material earth crane electric bus bar 1 piece copper bar with 1 piece of pe heat shrink tubes on the middle of busbar Item Copper bus bar Material T2 copper Surface Tin coated Moq1000 pcs Sample Free Width 18mm, .20 , 22mm .25mm , 28mm , 30mm Payment term T/t, paypal , western union or alibaba trade assurancePartsPe heat shrink tubes , pvc covers if you needed 1) application: widely used in machinery, electric power, railway, shipbuilding, spaceflight & aviation, household electrical, auto-equipment and battery new energy system etc. 2) processing: cold press 3) material: t2 copper with tinned surface, cridible conductivity; pvc insulated cover, no break or rebound. 4) certificate: rohs , reach 5) manufacturer: price advantage, quick delivery