| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.18 | USD | 20251016 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1070.91 | USD | 20251016 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1070.91 | USD | 20251016 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1084.58 | USD | 20251015 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1084.19 | USD | 20251014 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1084.4 | USD | 20251013 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1070.32 | USD | 20251013 |