国产情趣视频免费在线观看_国产成人综合亚洲影音_成年女人永久免费看片_无码中文字幕乱码一区av_亚洲sss整片av在线播放,无码综合一区二区三区_大陆极品少妇内射AAAAAA_精品无码成人片一区二区_人人妻人人澡人人爽人人正品_美女视频黄频A美女大全_色欲麻豆国产福利精品 ,免费国产在线观看不卡_久久久一区二区人妻av_亚洲免费视频网址_国产欧美日韩亚洲更新_china国产绿奴视频在线_日韩高清一区二区三区五区七区 ,亚洲高清无码肉肉视频_人妻无码13p_免费香蕉依人在线狼人_大伊香蕉精品视频在线天堂_亚洲AV蜜桃永久无码精品_aaa级毛片免费

First. structure features

1、High quality PLC control system is adopted with large color LCD touch screen. The parameter of technology can be stored;

2、The primany and secondary extruding machines both adopt big length-diameter ratio of detached screw and good plasticization, which ensures the equal thickness and smoothness of the sheet;

3、Screw, machine barrel and die head are all adopt high quality alloy steel and nitrogen treatment;

4、Electric or hydraulic rapid net changing device;

5、Horizontal three-rollers structure, three rollers adopt direct connecting mode, which make the speed can be adjusted singly and jointly;

6、Adopt double-work position air shaft center rewinder device. The operation is convenient.