You could try chargeback if you've given up on the idea of ever getting the order fulfilled.
You could try contacting them using the web form if you haven't already, that's probably going to work better than just emailing them. If you still want the thing but not if it's going to take forever, give them a firm deadline to deliver or refund.
Your results may differ but I’ve found web form contacting to be much less effective than direct email, and there’s no trail that you can show the company to prove previous attempts.
You could try chargeback if you've given up on the idea of ever getting the order fulfilled.
You could try contacting them using the web form if you haven't already, that's probably going to work better than just emailing them. If you still want the thing but not if it's going to take forever, give them a firm deadline to deliver or refund.
If you've tried both of the above without result, you can use the Small Claims court service online.