A. Designed specially for trials. B. Low waste in energy, reliable and stable running. C. RAM head is designed concisely for smooth flow of melts and easy to clean, easy to test frequently. D.
Barrel equipped with radial opening and axial opening can be chosen. E. Materials of the barrel and screw are chosen hard alloy with anti-friction and anti-corrosive. F. Screw thread elements are
well patched and equipped with many thread segments for choice.