National Steel Materials Testing Center
Technology Center för Benxi Iron & Steel Group Co., Ltd
Yantai Branch, 52 Institutionen för China Industries Group
Wuhan Iron and Steel Group Technology Center Inspection
Baoshan Iron & Steel Co., Ltd. Special Steel Branch
Skolan för kemi och kemiteknik, Shandong University
Shandong Metallurgical Research Institute Test Center
Shandong Metallurgical Product Quality Supervision and Inspection Station
Jinan Iron and Steel Group Corporation