| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.12 | USD | 20251208 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.12 | USD | 20251208 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.62 | USD | 20251207 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251207 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.62 | USD | 20251206 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251206 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251205 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251205 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251205 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.62 | USD | 20251205 |