| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 909.35 | USD | 20251021 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 648.53 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 937.54 | USD | 20251021 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 740.17 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.64 | USD | 20251021 |