National Steel Materials Testing Center
Teknologisenteret til 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. Special Steel Branch
School of Chemistry and Chemical Engineering, Shandong University
Shandong Metallurgical Research Institute Test Center
Shandong metallurgisk produktkvalitet tilsyn og inspeksjonsstasjon
Jinan Iron and Steel Group Corporation