| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.4 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.4 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.64 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.56 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1015.09 | USD | 20251021 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 902.3 | USD | 20251021 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |