国产福利视频一区二区_免费无码肉片在线观看_九九综合九色综合网站_国产av国片偷人妻麻豆_少妇又紧又深又湿又爽视频

ZM-550 thermoplastic plastic mill is developed by our factory consulting to oversea advanced technology. It can crush thermoplastic plastic in normal temperature (such as polyethylene, PVC, polypropylene, nylon and so on). Comparing to low temperature crushing device, it has the advantages of low energy expenditure, even powder size, easy operation and so on. It is the ideal device in processing plastic powder in normal temperature.