| Vendor | Spec | Unit | Price | Currency | Date |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 858.9 | USD | 20251014 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1027.86 | USD | 20251014 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |