| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 451.82 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 352.98 | USD | 20251114 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.1 | USD | 20251114 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 338.86 | USD | 20251114 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.46 | USD | 20251114 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.83 | USD | 20251114 |