Cooling neck,cold neck,cooling PCM for neck Ningbo Hejia Ice pack co. LTD, , https://www.cooling-pack.com Developed by Doyen Medipharm Co., NJ, the MT2500 forming/filling/sealing machine operates at a web speed of 600â€/minute and a roll width of 8′′-20′′. Its sealing time, temperature, full tension control of the pressure web, heat sealing mechanism to promote aseptic heat sealing and full control of the minimum material consumption.