| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 422.7 | USD | 20251020 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 422.7 | USD | 20251020 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | 90% | MT | 507.24 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.61 | USD | 20251020 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.61 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.61 | USD | 20251020 |