| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1085.58 | USD | 20251021 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1409.84 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 927.68 | USD | 20251021 |