| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.9 | USD | 20251210 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.54 | USD | 20251209 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.7 | USD | 20251208 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.97 | USD | 20251205 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1258.25 | USD | 20251204 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.88 | USD | 20251203 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.17 | USD | 20251202 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.79 | USD | 20251201 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1242.5 | USD | 20251114 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1214.12 | USD | 20251112 |