| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1085.58 | USD | 20251021 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1409.84 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |