| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1086.54 | USD | 20251103 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1100.65 | USD | 20251103 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.43 | USD | 20251103 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.43 | USD | 20251103 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1093.6 | USD | 20251103 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 931.32 | USD | 20251103 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1086.34 | USD | 20251102 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1093.4 | USD | 20251101 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 931.15 | USD | 20251031 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.23 | USD | 20251031 |