| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251115 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251114 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.95 | USD | 20251114 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.95 | USD | 20251114 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.95 | USD | 20251114 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251114 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1044.24 | USD | 20251113 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251113 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251113 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251113 |