| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1089.32 | USD | 20251211 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1075.18 | USD | 20251211 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1075.18 | USD | 20251211 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1087.99 | USD | 20251209 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1087.99 | USD | 20251209 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1073.86 | USD | 20251209 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1087.99 | USD | 20251209 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1109.18 | USD | 20251209 |