印度采购需求：平顶镜片、Rx镜片、防蓝光镜片、防蓝光镜片、光学镜片、眼镜片

I am interested in placing an order for your products and would like to understand the process better. Could you provide me with detailed steps on how to proceed with the order? Specifically, I'm curious about the minimum order quantities, available payment options, and expected lead times for delivery. Additionally, if there are any specific documents or forms that need to be filled out, please let me know. I'm eager to streamline this process and ensure everything flows smoothly from ordering to receiving the items. Thank you for your assistance!