亚洲高清码在线精品av,国产香蕉尹人在线视频你懂的,人妻有码,亚洲熟妇无码爱v在线观看

    In order to meet the needs of polyurethane sandwich panel production, a variety of laminators, including single-layer, multi-layer and 2+2 type, have been developed, which have been widely used in cold storage board, central air conditioning duct and steel structure housing wall panel foaming.


1+1 layer press

2+2 layer press

2+2 layer press

Angle moulding press