| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 394.89 | USD | 20251120 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 507.72 | USD | 20251120 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 423.1 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.69 | USD | 20251120 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.3 | USD | 20251119 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 395.08 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.3 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.3 | USD | 20251119 |