There is a company in London that makes enrobers. Thier name is Jahn and Co. they are located near Kings Cross station. Get in contact with fhem they are very friendly.
Iworked at a place in London many years ago and was introduced to a chocolate enrober, the hard way. I helped design and build one.After scraping the chocolate of myself we spent days scraping it of the floor and walls. We finally perfected it and delivered it to Dixons in Myrther TidfillWales UK