| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 699.26 | USD | 20251128 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 734.58 | USD | 20251128 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 734.58 | USD | 20251128 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.26 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.65 | USD | 20251128 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |