| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.41 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 438.56 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.82 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.82 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.82 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.82 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 509.29 | USD | 20251211 |