| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 958.11 | USD | 20251020 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1014.47 | USD | 20251020 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1268.09 | USD | 20251020 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251019 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1141.67 | USD | 20251019 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251019 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 944.34 | USD | 20251019 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251019 |