| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251026 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251025 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.51 | USD | 20251024 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251024 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.51 | USD | 20251024 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.66 | USD | 20251023 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.76 | USD | 20251023 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |