美国采购需求：电子产品，变压器，wifi变压器

I'm reaching out regarding a recent purchase of a wifi transformer. I noticed that the plastic disc intended to support the antenna has cracked, which is quite concerning. I would like to know the process for obtaining a replacement part for this component. Additionally, I've observed that the screws are showing signs of deterioration. It would be great if you could provide info on how to address this issue as well. Your assistance would be much appreciated! Thank you!