| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1249.15 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.02 | USD | 20251024 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1043.31 | USD | 20251024 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1043.31 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1071.51 | USD | 20251024 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1043.31 | USD | 20251024 |