| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1052.35 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1252.14 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1257.79 | USD | 20251201 |
| Suzhou Xuehang New Materials Co., Ltd. | China national standards | MT | 1625.23 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1074.07 | USD | 20251201 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1045.8 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1045.8 | USD | 20251201 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1003.41 | USD | 20251201 |