The main raw material of the ribbon used in solar panels is copper. The world's largest copper producing countries are Chile, China, Peru and the United States, respectively. The ribbons, which are wrapped on reels and offered for consumption, are coated with tin.

The main intermediate material of the solar panel is the cell… The price of silver paste, which is used in cell production, is at the lowest levels of the last year.

According to the law of obligations; The legal treatment formed by the mutual and appropriate declarations of will of the parties is called a contract. As can be understood from this definition, a contract is a text that is signed voluntarily by at least two parties.