| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.45 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.45 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 451.68 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.45 | USD | 20251124 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 508.14 | USD | 20251124 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.64 | USD | 20251124 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 451.68 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.45 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.45 | USD | 20251124 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 437.56 | USD | 20251124 |