| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 931.73 | USD | 20251107 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 931.73 | USD | 20251107 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1101.14 | USD | 20251107 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1094.08 | USD | 20251107 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 931.35 | USD | 20251106 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1086.57 | USD | 20251106 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.46 | USD | 20251106 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.46 | USD | 20251106 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1093.63 | USD | 20251106 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.92 | USD | 20251105 |