| Vendor | Spec | Unit | Price | Currency | Date |
| 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 | 1071.66 | USD | 20251023 |
| 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 | 1071.12 | USD | 20251022 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.12 | USD | 20251022 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.21 | USD | 20251022 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.69 | USD | 20251021 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.69 | USD | 20251021 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.48 | USD | 20251021 |