| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1384.98 | USD | 20251201 |
| Befar Group Co., Ltd. | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1243.66 | USD | 20251201 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1173.0 | USD | 20251201 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 1074.07 | USD | 20251201 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.47 | USD | 20251201 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.2 | USD | 20251201 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.2 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1088.2 | USD | 20251201 |