| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 962.0 | USD | 20251211 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1257.9 | USD | 20251210 |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 1074.16 | USD | 20251210 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1182.99 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1208.43 | USD | 20251210 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1215.5 | USD | 20251210 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.9 | USD | 20251210 |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1229.63 | USD | 20251210 |