韩国采购需求：铜箔，铜箔，薄铜箔，超薄铜箔，铜纸，铜箔纸

I am looking to source copper sheets for our upcoming projects. Could you please provide information on the types of copper sheets you offer? Details regarding sizes, thickness, and standard grades would be very helpful for our evaluation. Additionally, please include your pricing structure, minimum order quantities, and lead times for delivery. We're particularly interested in understanding any options you may have for custom specifications as well. Looking forward to your prompt response!