| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 829.63 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251121 |