| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | 90% | MT | 493.62 | USD | 20251120 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 493.62 | USD | 20251120 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 423.1 | USD | 20251120 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.0 | USD | 20251120 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.36 | USD | 20251120 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.93 | USD | 20251120 |