| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1111.02 | USD | 20250922 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.02 | USD | 20250921 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1110.67 | USD | 20250919 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1082.56 | USD | 20250919 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1082.56 | USD | 20250919 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1111.35 | USD | 20250918 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |