| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 888.93 | USD | 20251119 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 888.93 | USD | 20251119 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 888.93 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 973.59 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1100.58 | USD | 20251119 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 973.59 | USD | 20251119 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1044.14 | USD | 20251119 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.95 | USD | 20251119 |