| Vendor | Spec | Unit | Price | Currency | Date |
| 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 | 1072.45 | USD | 20251111 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1086.56 | USD | 20251111 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 931.34 | USD | 20251111 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.45 | USD | 20251111 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1086.56 | USD | 20251111 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.6 | USD | 20251110 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 931.47 | USD | 20251110 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251110 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.6 | USD | 20251110 |