越南采购需求：住宅电梯、住宅电梯和升降机、电梯按钮、电梯按钮、升降机、电梯升降机

I'm currently looking to source some Schindler parts and would like to know if you can provide a range of these components. Specifically, I'm interested in availability, pricing, and lead times for various parts that could fit different applications. Could you also provide any details regarding bulk order discounts or minimum order quantities? This information will help me in planning our procurement strategy more effectively. Looking forward to your prompt response!