约旦采购需求：冷却风扇柜零件、配件

We're looking to order the following wall-mounted data cabinets. Please confirm availability and pricing for 20 units of 12U size and 4 units of 18U size, both measured at 60x60. Additionally, we need 1 unit of 42U size at 60x100 dimensions. Each cabinet should come with a PDU and fans included. If possible, provide lead times for delivery and any bulk order discounts. Looking forward to your prompt response!