| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1215.15 | USD | 20251209 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1095.05 | USD | 20251209 |
| 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 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1215.15 | USD | 20251209 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1116.24 | USD | 20251209 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.24 | USD | 20251209 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |