I purchased some lengths of cable trunking from this company. It all turned up promptly along with all the connecting pieces that I'd ordered to be able to slot everything together. The trouble started when I realised I'd been sent 8x 1-metre lengths not the 4x 2-metre lengths described on the website. As a result, I was 4 connectors short when it came to putting it all together. Rather than send everything back for a refund, I emailed the company asking that they send me 4 straight connectors so that the goods I'd received at least vaguely resembled what they'd sold me on the website. Despite emailing a second time, to a different address, I'm yet to receive a reply.
