| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1117.62 | USD | 20251211 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1103.47 | USD | 20251211 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1103.47 | USD | 20251211 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.56 | USD | 20251210 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |