| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.88 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.1 | USD | 20251114 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 1044.83 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 352.98 | USD | 20251114 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 437.7 | USD | 20251114 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.53 | USD | 20251114 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 409.46 | USD | 20251114 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |