| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.43 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1250.65 | USD | 20251029 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 973.98 | USD | 20251029 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 973.98 | USD | 20251029 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1101.03 | USD | 20251029 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1044.56 | USD | 20251029 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1044.56 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1072.79 | USD | 20251029 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251028 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1002.03 | USD | 20251028 |