National Steel Material Testing Center
Technology Center an'ny Benxi Iron & Steel Group Co., Ltd
Yantai Branch, 52 Institure of China Industries Group
Wuhan Iron and Steel Group Technology Center Inspection
Baoshan Iron & Steel Co., Ltd. Sampana vy manokana
School of Chemistry and Chemical Engineering, Shandong University
Shandong Metallurgical Research Institute Test Center
Shandong Metallurgical Product Quality Supervision and Inspection Station
Ny sandan'ny anjara Jinan Iron and Steel Group Corporation