In 1984, Zhang Hongrui borrowed 100,000 yuan and organized a dozen farmers to create a small shopping mall with a business area of ??280 square meters. Over the past 20 years, Zhang Hongrui has gradually established a unique set of business management mechanisms and development ideas through continuous exploration, and has successfully guided Credibility Building onto a track of healthy and steady development, allowing it to grow from a business area of ??280 square meters , a small shopping mall with more than 50 employees has developed into a large comprehensive shopping mall with total assets of over 100 million yuan and more than 4,000 employees. It has branches of 10,000 square meters each in Qingxian and Botou, and established its first subsidiary in Huantai, Shandong. , established the first franchise store in Qingyun, Shandong.

Credit Building has been one of the city's major profit and tax owners for many years, creating huge economic and social benefits. It has successively won honorary titles such as "Provincial Civilized Unit", "Provincial Advanced Unit for Ideological and Political Work", "Commodity Quality Trustworthy Unit" and "Consumer Trustworthy Unit". It has been awarded as "Provincial Level Contract-abiding and Trustworthy Unit" for 18 consecutive years since 1987. unit".

The 20 years of development and growth of Reputation Building is actually a process of unremittingly operating the "credibility" brand. Reputation Building has become the first choice shopping place for consumers in surrounding areas. Wherever a store is built, it can create a lively effect. People vividly call it the "Credit Building Phenomenon". Xingxinglou Street, where Huanghua Xingxing Building is now located, was originally named Kangning Street. It is a very remote small street in Huanghua City. Since the Xingxing Building Commercial Building was built here, it has developed into the most prosperous commercial district in Huanghua City. The first branch of Xinxinglou was built in Qingxian County. The location chosen was far away from the original commercial district of Qingxian County. It was a place that had been developed for several years but could not be developed. However, since the Xuxinglou was built there, the land prices there suddenly increased. It doubled in size and became a place where merchants gathered.

Zhang Hongrui attaches great importance to the construction of corporate culture. The integrity culture of Reputation Building affects every Huanghua person and the entire Huanghua city, and has become a rare "spiritual wealth" in the social development of Huanghua. CCTV, "China Business News", "Chinese and Foreign Management" magazine and many other media and newspapers conducted interviews and reports on Credibility Building. Reputation Building, as a window industry, has led to the improvement of social atmosphere.

While focusing on honest management, Zhang Hongrui has been committed to building the company into a teaching organization. After the company had just made some accumulation, the first thing Zhang Hongrui did was to find a location to build a vocational technical school, improve the living and learning conditions of employees, and start institutionalized training for employees. Over the years, as the company has continued to grow and develop, Zhang Hongrui has stepped up efforts to build the infrastructure of the learning environment several times, setting up libraries and reading rooms, strengthening teaching staff, and so on. In 2000, millions of yuan was invested to build the 15-acre Credit Building Business Training Center. The Qingxian Commercial Building and Botou Commercial Building that have already opened have training centers that are comparable in size to the headquarters, and they are all constructed simultaneously with the main construction of the commercial buildings. , completed simultaneously to ensure teaching purposes.

Zhang Hongrui attaches great importance to his own learning. His rich practical experience and hard study have formed a unique set of business management concepts. He has been successively employed as a special researcher of the Hebei Academy of Social Sciences, a special researcher of the Policy Research Office of the Provincial Party Committee, a part-time tutor for master's students in the School of Business Administration of Hebei University of Economics and Business, a director of the "Chinese and Foreign Management" board of directors, a member of the New Commercial Enterprise Committee of the China Business Research Association, Advisory member of the Business Ethics Committee of the China Business Culture Research Association and visiting professor of Hebei University, Hebei University of Technology, and Hebei University of Economics and Business.

Zhang Hongrui strongly supports the development of public welfare undertakings in Huanghua City. He donated 200,000 yuan to widen Kangning Street (now Xingxinglou Street), invested 1.6 million yuan to help relocate the old Martyrs Cemetery, and invested 1.2 million yuan to take over People's Park. In 2003, Zhang Hongrui won the Mayor's Special Award of 40,000 yuan. He donated 20,000 yuan to the disaster area and another 20,000 yuan to poor students. Since 1999, he has provided 30,000 yuan in scholarships to Hebei University of Economics and Business, Hebei University of Technology, and Hebei University every year, and has helped many poor students complete their studies. Help has also been provided to poor households and poor students in our city, with assistance funds reaching 100,000 yuan.