At 10:00 a.m. on March 30, 2022, Liu Xianqing, chairman of Sichuan sound environment group, and his party held talks with Zhang Peng, general manager of Harbin industrial big data (Chengdu) Technology Co., Ltd. on strengthening in-depth cooperation between the two sides in the later stage.

During the talks, the two sides exchanged views on desertification control, urban sludge treatment and disposal, black and smelly water treatment and other aspects, and agreed that the sound environment group owns the invention technology of "biological drying method of urban domestic sludge" (zl20101025137.8) granted by the Intellectual Property Office, and the technical level is the first in China; Harbin Engineering big data Chengdu Technology Co., Ltd. has extensive social resources, strong financial strength, and many successful cases in the treatment of black and smelly water. Therefore, there is a huge space for the two sides to deepen cooperation, which can play a strong role in environmental governance while achieving a win-win situation, and benefit the society and future generations.

Yuan Denghui, technical director of Sichuan sound environment Group Co., Ltd., Wang Weizhong, technical director, and Zheng Runxian, director of the office, attended the meeting.