国产91 对白在线观看九色,直播性18国产一级二级欧美,欧美性爱XXX黑人XYX性爱,人妻av中文系列制服丝袜,亚洲无成人蜜桃动漫一区

    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