| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.21 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 699.26 | USD | 20251128 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.26 | USD | 20251128 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.26 | USD | 20251128 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.45 | USD | 20251128 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.32 | USD | 20251128 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |