| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.21 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.21 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.59 | USD | 20251202 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 741.59 | USD | 20251202 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 699.21 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.15 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.21 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 854.59 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.15 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 706.27 | USD | 20251202 |