Bemis Mfg in Sheboygan WI could help. They have the largest co-injection press in the world. I currently have a part being made their that is 9 feet long, 3 feet wide and 2 feet deep. Weight is around 60lbs. However this is thin walled, 4.5mm. http://www.bemismfg.com/ Don't let the tolet set...
