| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 732.67 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.66 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.44 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.44 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |