| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1042.15 | USD | 20251013 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.23 | USD | 20251013 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251012 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251011 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1041.55 | USD | 20251011 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1041.55 | USD | 20251010 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251010 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251010 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251010 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251010 |