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| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1253.4 | USD | 20251013 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1252.67 | USD | 20251011 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1252.67 | USD | 20251010 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1251.72 | USD | 20251009 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1252.55 | USD | 20250930 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1250.84 | USD | 20250928 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1250.84 | USD | 20250926 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1252.52 | USD | 20250925 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1252.52 | USD | 20250924 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1252.52 | USD | 20250923 |