南非采购需求：摩擦式窗撑、窗撑、摩擦臂、铝合金五金把手、铝合金配件把手、窗户把手

I'm interested in sourcing your Ji products and would like to know the wholesale pricing details. Could you please provide me with your current price list for these items? Additionally, I'm keen to understand any bulk purchase discounts or promotional offers that might be available. If possible, please include information about minimum order quantities and lead times for delivery. I'm looking to place a significant order soon, so a prompt response would be greatly appreciated. Thank you for your assistance!