| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251017 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1042.72 | USD | 20251016 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |