| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.94 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.94 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.94 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 508.73 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 395.68 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1017.47 | USD | 20251208 |
| Luxi Group Co., Ltd. | China national standards | MT | 423.94 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 494.6 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 438.08 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 508.73 | USD | 20251208 |