... rod:We specialized in production aluminum magnesium rod ,low silicon welding rod ,high silicon welding rod,high manganese welding rod.The product surface ... good.It is used in each kind of aluminum material welding .The length may act according to the customer request. ... ,4043,5183,4047,1100,1070.1200,2319,4145,5554Dimensions can be produced according to clients' specifications Aluminum welding rod