MasterCard Group, founded in 1978, is mainly engaged in building steel products and cold rolled steel coil manufacturing, steel trade and other businesses, with more than 1700 employees; Shandong MasterCard Construction Steel Products Co., Ltd., a subsidiary of the Group, is a professional supplier of manufacturing, service and sales of building steel structures and metal enclosure products, and a national high-tech enterprise. It was listed on the NEEQ in 2014. The company's headquarters and manufacturing base are located in Boxing Economic Development Zone, Binzhou City, Shandong Province; In the past 40 years, MasterCard has enjoyed a good reputation at home and abroad. Its construction steel products have been widely used in industrial manufacturing, logistics and warehousing, modern agriculture, public buildings, transportation and commercial facilities and other fields, providing unique value for the progress and development of various industries.