| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.68 | USD | 20251021 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.77 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.77 | USD | 20251021 |