... Foam Production Line 1. The XPS Insulation Board Production Lines from Feininger (Our Lines) are much cheaper than the lines with same ... foaming agent with top technology, besides HCFC, such as: R22, R142b, or HFC, such as: R152a. Our production line can produce ... , it has been used in the steel construction workshop, iron sheet house ,colored ripple tile, refrigeration storehouse, highway, airport ...