| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1067.09 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1257.9 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| China national standards | MT | 1017.62 | USD | 20251210 | |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1045.89 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 862.15 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |