| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 975.28 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 947.01 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 947.01 | USD | 20251205 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 904.61 | USD | 20251205 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 947.01 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1074.22 | USD | 20251205 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |