In July 2020, the evaluation Work Office of "Integrity Enterprises" in the Building Materials Industry in the Bohai Rim Region of Shandong Province organized various branches, professional committees and related experts to conduct a preliminary review of enterprises that have declared "Famous Brands". At the end of August, Beijing, Tianjin, Hebei, Shandong, Liaoning, Shanxi and other seven provinces and cities including Shandong, Liaoning, Shanxi, and other well-known brands in the building materials industry in the Bohai Rim region reviewed the initial review list submitted by the provinces and cities, and finally submitted to the review committee for review and approval, approved the final review list, and published it on the seven provinces and cities website , Liangyou Waterproofing Company was finally determined as a "integrity enterprise in the building materials industry in the Bohai Rim region", with an integrity rating of AAA.