| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 451.23 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 406.1 | USD | 20251023 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.54 | USD | 20251023 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 1043.46 | USD | 20251023 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 352.52 | USD | 20251023 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.82 | USD | 20251023 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 521.73 | USD | 20251023 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |