In 2017, the company “CoRou” brand sponsored the 13th Student Games of the People's Republic of China and was held in Hangzhou, Zhejiang Province.
In 2016, the company "CoRou V9" moisturizing + series products participated in the 16th Shanghai CBME Pregnancy and Baby Fair, which became the only highlight of this exhibition.
In 2015, the company held the "Happy 5+3" anniversary event celebration and "Corou" new moisturizing paper, and the single-day order amount exceeded 100 million yuan.
In 2014, the company's “Corou” brand sponsored the 12th Student Games of the People's Republic of China, hosted by the Shanghai Municipal People's Government, to enhance brand awareness.
In 2013, the company established a national marketing network system. In the same year, it started to set up a project to develop the first domestic moisturizing tissue.
In 2012, Zhenghua and Hongan established 2022世界杯买球正规平台（中国）有限公司 through asset restructuring, and entered the household paper industry. In December, the “V” series of products will be launched, creating the “V” era of Chinese household paper.