| Vendor | Spec | Unit | Price | Currency | Date |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1384.71 | USD | 20251209 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1385.08 | USD | 20251203 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1384.4 | USD | 20251128 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1382.77 | USD | 20251119 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1383.69 | USD | 20251114 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1383.54 | USD | 20251112 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1383.34 | USD | 20251029 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1380.81 | USD | 20251020 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1381.27 | USD | 20251017 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1380.9 | USD | 20251016 |