Manufacturing/Prototyping in MDF and Porcelain

I need to get simple cubes made out of MDF. First for prototyping, then volume production. Sizes are multiples of 6"x6"x6". Any ideas for a good manufacturer in the NY/Toronto area or elsewhere? Don’t want to spend everything on shipping costs!

Also, any good porcelain manufacturers out there who can take a design and “make many”? I know Jonathan Adler works with “Aid to Artisans”…but then he’s Jonathan Adler. Still, any knowledge of how to link up with this group or any other porcelain “factory”?

I’ve googled and tried the YPages already, so recommendations are now welcome. Thanks in advance!

Hi! Just sent you a private message! Check it out please!