| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.11 | USD | 20251013 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.11 | USD | 20251013 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.11 | USD | 20251013 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.11 | USD | 20251013 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1042.15 | USD | 20251013 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1055.62 | USD | 20251012 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251012 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1178.08 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251012 |