Shandong Construction Steel Group was founded in July, 2005 with the registered capital of 50 million yuan and the total assets of more than 500 million yuan. The administrative headquarter is located in the Jinan Advanced Business Center of Shandong Province, and the manufacturing base is located in the Industrial Park of Liangshan county, Shandong and High tech Industrial Development Zone in Jinan respectively. After more than ten years of development, the group has developed itself into a diversified, clustering and international group enterprise that based on steel trade, project construction, heavy vehicles manufacturing, electrical equipment, environmental protection equipment, electronic products, paper manufacturing for daily use, ecommerce and other traditional and high tech industries. The main business of steel trade for the group is the mainstay business that has been operated by the founder of the group for several decades.With abundant industry resources and experience and senior industry background, the operation including deformed steel bar, section steel, steel wire rod,round steel and other various kinds of steel for construction.The heavy vehicle manufacturing business is the high tech enterprise that integrated customized fright car and semitrailer manufacturing, accessories, marketing and maintenance into one as per the different demands of customers innovatively by the group. There are eight series and more than twenty models of leading products, which are drop side semitrailer, low flat bed semitrailer, van semitrailer, container semitrailer, bin semitrailer, non standard container of different standards, container car frame, car transporter, refrigerated semitrailer, dumper semitrailer and various kinds of agricultural full trailer. Electrical equipment mainly covers various kinds of high-performance power supply products and power electronic system integrated equipment. Relied on the abundant scientific research force of colleges and universities and the own solid R&D strength, cooperative relationship has been built with numerous universities within the province. The designed and operated products including: alternating current variable-frequency power supply, power supply for marines and shores, constant voltage and constant frequency power, 400Hz medium frequency power supply for aerospace and military affairs, 28V direct current power supply, 36V/1000Hz medium frequency power supply, special inverter power supply for electricity, communication, ships and warships and motor vehicles system, special UPS power supply for electricity, industrial uninterruptible UPS power supply, wind photovoltaic power generation inverter and customization of special products required by users. The environmental protection equipment business is mainly engaged in various kinds of water purifying plants, and the operation including six series of products: RO water purification machine, UF ultrafilter, pipeline machine, direct drinking machine, public direct drinking stand and commercial hydraulic engineering. The company has focused on the philosophy of "scientific and technical environment protection and healthy life" to conduct close cooperation with renowned colleges and universities in China. And now the comprehensive and professional manufacturing system for water-purifying product that integrated R&D, production, marketing and services into one has been formed. n recent years, the company has independently developed and produced various kinds of gas detection instrument, gas analyzer, flame detector, household combustible gas alarms and other electronic products fields and now it is enabled with the ability to develop, design and produce independently. Various technological indexes of the product have reached the advanced level for products of the same type both at home and abroad and now have passed the detection by relevant department in China and product authentication.