| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251107 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1044.24 | USD | 20251106 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251106 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251106 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251106 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251106 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.81 | USD | 20251105 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.81 | USD | 20251105 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.81 | USD | 20251105 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.81 | USD | 20251105 |