| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1041.55 | USD | 20251010 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1040.76 | USD | 20251009 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251008 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251008 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251007 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251005 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251004 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251004 |