| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251102 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251101 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251101 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251031 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251031 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251031 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251031 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251031 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251031 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1044.25 | USD | 20251030 |