亚洲日韩精品无码专区网站,亚洲第一女人av,男的把J桶进女的屁股GIF,色情国产成人小说在线观看

Melt-blown nonwovens (meltblown nonwovens) process uses high-speed hot air to blow-stretch the polymer melt flowing out of the spinneret hole of the die head to form ultra-fine short fibers and agglomerate on the screen curtain or roller, and become nonwovens by self-adhesion.

1.Rpb 65 / 30-PP meltblown nonwovens production line.

2.RPB 600 meltblown nonwoven production line.

3.RPB1600 MELTBLOWN nonwovens production line.