| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251114 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251114 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 974.23 | USD | 20251114 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1087.19 | USD | 20251114 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.46 | USD | 20251113 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1086.57 | USD | 20251113 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.46 | USD | 20251113 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 974.12 | USD | 20251112 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1087.06 | USD | 20251112 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.95 | USD | 20251112 |