国产熟妇婬乱A片免费看牛牛,老熟女另类视屏中文字幕,野外久久久久久久久,91小视频视频视频视

   The high pressure polyurethane foaming machine with large flow is applied to the foaming of urban central heating pipes and large insulation sandwich panels. At  present, there are HPF300 to HPF600 models. The equipment has the characteristics of large injection flow, high mixing pressure, maintenance free and high degree of automation.

HPF600 high pressure foaming machine


HPF300 high pressure foaming machine