"mutual affinity" is a brand of household paper owned by Hengan Group. Fujian Hengan Group Co., Ltd. was founded in 1985. As the first domestic brand in the household paper industry, the brand slogan of "mutual affinity" is "not only flexible, but also mutual affinity". It is close to the inner demands of consumers in paper research, giving them protection and energy, encouraging consumers to pursue their inner aspirations and caring for the brand tonality of everyone around them.

Zhongshun Jierou Paper Co., Ltd., founded by Deng Yingzhong, was established on May 28th, 1999. It is the first domestic household paper enterprise with A-share listing, specializing in the production of household paper products. Among the three China famous brand products in China household paper industry, "Jierou" ranks among them. Among the four well-known trademarks, "Jierou" and "Sun" account for two of them.