| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.6 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 767.66 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 767.66 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 901.47 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 901.47 | USD | 20251015 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 873.3 | USD | 20251015 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1408.55 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1408.55 | USD | 20251015 |