| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.96 | USD | 20251015 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 887.39 | USD | 20251015 |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 760.62 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 908.51 | USD | 20251015 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 908.51 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | Industrial Grade | MT | 816.96 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | Industrial Grade | MT | 816.96 | USD | 20251015 |