ZISW's quality control system was established according to GB/T19002-ISO9002:1994 covering all leading products as pig iron,hot-rolling strip steel,cold-rolling strip steel,welding pipes;and in 1998 China Metallurgy Industry Quality Control System Center issued a Certificate of Quality Control System Authentication.

    Under the Quality Control System section,there are 16 staff management,80 quality inspectors,1 laboratory and 3 checkingpoints with complete inspecting equipments and technical assitance.

    Over the past years,under the management policy of endless creativeness initiated by the ZISW head office,we actively bring workers sense of responsibility into play, energetically push forward the management efficiency and the strength of technology,keep using inner-examine and system-cocntrol methods to improve the quality inspection work;thus forming a duration and effectiveness in the quality control system;all leading products enjoy a high reputation worldwide,well received in countries like Korea,Japan,Pakistan,USA and EU and Hong Kong,Taiwan regions,more than 80% for export.Pig irons for steel making was named Shandong Excellent Product;Pig irons for casting was named excellent product of the Ministry of Metallurgy Industry;since 1996 it was Shandong Provincial Product Pass-Without-Examination consecutively;Hot-rolling and cold-rolling strip steels win the Shandong Provincial Superior Quality Products.

    With further development of creativeness in management and technology,and with grandual increasing of its product competitiveness,enterprise centripetal force,famousness and reputation,the economic results are gaining progressively.this well demonstrated the idea of common benefits and common development among enterprise,clients,staff and the society as a whole.Supported by the continuous hard working by all staff and the whole society,we will uphold the principle of Famous brand supported by its quality,and best results by the creativeness,keep quality claim under firm control,make all our products 100% meet the standards,and the full satisfactory of every client as the first priority so to gain a space in the fierce competition for further development.