| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 409.14 | USD | 20251027 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 409.14 | USD | 20251027 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.7 | USD | 20251027 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.54 | USD | 20251027 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 253.95 | USD | 20251027 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 451.46 | USD | 20251027 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 237.02 | USD | 20251027 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 232.78 | USD | 20251027 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 267.88 | USD | 20251026 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 310.17 | USD | 20251026 |