| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 438.17 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.5 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.5 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.5 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.5 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 537.11 | USD | 20251205 |