| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 968.21 | USD | 20251206 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251206 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.81 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 947.01 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.61 | USD | 20251205 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |