| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.52 | USD | 20251020 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.52 | USD | 20251020 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.07 | USD | 20251020 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251019 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 422.84 | USD | 20251019 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 521.5 | USD | 20251019 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 521.5 | USD | 20251019 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251019 |