| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Qingdao Ruishuang Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.83 | USD | 20251028 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 338.72 | USD | 20251028 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.66 | USD | 20251028 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 338.72 | USD | 20251028 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.66 | USD | 20251028 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 437.51 | USD | 20251028 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.69 | USD | 20251028 |