It seems to be a Kevin that handles all the communication, so I've got no idea who's in charge!
I've only emailed them once so far, and I've got to admit I was surprised by the speedy response, given that every other company I've dealt with lately has taken days to reply if they've even bothered to reply.
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I'm currently sat with the manual studying their ejection mold plans, to try and understand exactly what each bit does. I think a more basic mould will be on the cards first though!