亚洲午夜福利院在线观看,美女大量吞精在线观看456,99热门精品一区二区三区无码,日韩最新伦字幕中文字幕

Hoteline ( Mr.Yang)

13750718093

Home>News>Company news

Warmly celebrate our company independent research and development of the national invention patent technology "efficient synthetic conical twin-screw extrusion technology" included in "national energy conservation technology popularization directory (5)", this technology has high yield and low consumption, extrusion pressure, plasticizing performance optimal performance, long service life of screw and other advantages compared with the same output can be more than double, power saving 50%.

高效節(jié)能型錐形同向雙螺桿擠出技術”列入“國家重點節(jié)能技術推廣目錄(第五批).jpg