中国香港采购需求：RF无线光学探头，读数头，光学跟踪器，扫描头

We are looking to move forward smoothly with our order, but we need additional information regarding the order modification process. Specifically, could you clarify the steps involved and any limitations we should be aware of? Understanding these details is crucial for us to avoid any potential issues down the line. Your prompt response will help us plan efficiently and ensure everything goes as planned. Thanks in advance for your cooperation!