| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 402.66 | USD | 20251127 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.98 | USD | 20251127 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 353.21 | USD | 20251127 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1045.51 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 406.9 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 423.85 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 452.11 | USD | 20251127 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 565.14 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 437.98 | USD | 20251127 |