Disgusting service from Buffalo Logistics!

Disgusting service from Buffalo Logistics! My order was apparently out for delivery on 21 January and returned to the warehouse because of their operational issues. I have been trying endlessly to call their offices but the call cuts after I am on hold for 5 minutes each time. They respond to WhatsApps with a generic message which doesn't answer my question about what the issue might be or when I can expect delivery of my particular order. Eventually they have stopped responding to my WhatsApps altogether. I have emailed them twice, and still no response. All duties were paid timeously, so I don't understand what the delay with my package is, and they have extremely poor communication skills so I can't get an answer from them through any of their channels (WhatsApp, telephone, email). It is extremely frustrating and puts me off from ordering from Shein at all. Are there other logistics companies that work with Shein, or are we stuck with these buffalo idiots? I am going to let Shein know how poor buffalo's service is, and hopefully they use an alternate logistics company. I'm wondering if buffalo is even a legit company or a **** that I paid "duties" to for a shipment I'm clearly not receiving???