永利集团304am★官方入口（中国）有限公司

29、Device for produce dimethyl carbonate by ester exchange method（ZL202321081817.7）[2023/12/2]

28、Partition wall rectification device for separating dimethyl carbonate（ZL202321080182.9）[2023/12/2]

27、Device for producing electronic-grade cyclic carbonate（ZL202321080143.9）[2023/12/2]

26、Heating rectification device for producing polyester-grade ethylene glycol by ester exchange method（ZL202320082685.3）[2023/11/20]

25、Falling film evaporator for cyclic carbonate separation（ZL202320094066.6）[2023/11/20]

24、Refining and purifying device for continuously producing electronic-grade methyl ethyl carbonate（ZL202120144804.4）[2023/11/20]

23、Device for separate and controlling mix carbonate in co-production of methyl ethyl carbonate and diethyl carbonate（ZL202120144629.9）[2023/11/20]

22、Residual liquid recovery system for ethylene carbonate device（ZL202120144628.4）[2023/11/20]

21、Separation device of ionic liquid catalyst for producing methyl ethyl carbonate （ZL202020239744.X）[2021/6/9]

19、Production device for refining pharmaceutical grade 1,2 propylene glycol from industrial grade 1,2 propylene glycol（ZL202020239791.4）[2020/10/18]

18、Separation device for polyester alcohol products in dimethyl carbonate production by ester exchange method（ZL201922073896.7）[2020/10/18]

17、Ionic liquid catalyst synthesizing device for producing dimethyl carbonate by ester exchange method（ZL201922073897.1）[2020/10/18]

16、Ionic liquid catalyst separation device for producing dimethyl carbonate by ester exchange method（ZL201922073892.9）[2020/10/18]

15. A separation control device for a catalyst for co-production of methyl ethyl carbonate and diethyl carbonate （ZL201920396867.1）[2019/7/28]

14. A joint production device of dimethyl carbonate and methyl ethyl carbonate （ZL201920188854.5 ）[2019/7/28]