国产精品 码在线观看0000|精品无码国产一区二区三区AVw|亚洲中文字幕无码乱线|久久天天躁狠狠躁夜夜69流白浆

    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