| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1083.15 | USD | 20250929 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250929 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1068.14 | USD | 20250928 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1068.14 | USD | 20250928 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 955.7 | USD | 20250928 |