| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.67 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 890.47 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 890.47 | USD | 20251206 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 975.28 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 975.28 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 975.28 | USD | 20251205 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1187.3 | USD | 20251205 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |