南非采购需求：家用电梯、别墅电梯、别墅电梯、家用电梯价格

I'm reaching out to inquire about the availability and pricing for a specific type of elevator door lock. We're looking for a left-hand option suited for a particular gate configuration. In total, we need 19 units to fulfill our project requirements. Could you please provide detailed information regarding the specifications, lead time, and any bulk purchase discounts that might be applicable? Additionally, it would be great to know about your payment terms and shipping options. Looking forward to your prompt response so we can move forward with the order.