Main cost components:Material cost: calculated by weight or length, linked to the market price of aluminum ingots.Processing fee: the complexity of cutting, drilling, milling and other processes.Surface treatment fee: additional costs such as anodizing and spraying.Mold fee (non-standard profiles): the cost of the first mold is high, and it is shared by subsequent orders.Other factors: order quantity (large quantity means lower unit price), special technology (such as CNC finishing).
