| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251121 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.39 | USD | 20251121 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 402.12 | USD | 20251121 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1044.09 | USD | 20251121 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 324.51 | USD | 20251121 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.06 | USD | 20251121 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.39 | USD | 20251121 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.06 | USD | 20251121 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 437.39 | USD | 20251121 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 437.39 | USD | 20251121 |