| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 947.22 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 926.02 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 876.54 | USD | 20251204 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 791.71 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |