| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.48 | USD | 20251021 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1084.92 | USD | 20251020 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1070.83 | USD | 20251020 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.11 | USD | 20251020 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1070.83 | USD | 20251020 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251019 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251018 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251017 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.43 | USD | 20251017 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1070.91 | USD | 20251016 |