| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 817.73 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.71 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.71 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1078.56 | USD | 20251024 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1254.79 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251024 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |