| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1072.6 | USD | 20251118 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1072.6 | USD | 20251118 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1072.6 | USD | 20251118 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251116 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251116 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251115 |