The 2021 Zhongda Bright’s Annual Summary Commendation Ceremony(i.e.2022 New Year Evening Party) with great splendor was held successfully on Dec.29th,2021 aiming to be united cohesively to get a win-win by continual innovation on a new journey.

We got new certificate of patent on sludge aerobic fermentation device&foldable and filter clothes brushing wash device on Nov.12th,2021