| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 394.33 | USD | 20251013 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 436.58 | USD | 20251013 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 422.49 | USD | 20251013 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 422.49 | USD | 20251013 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.58 | USD | 20251013 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 521.08 | USD | 20251013 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.7 | USD | 20251013 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.7 | USD | 20251013 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.16 | USD | 20251013 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 521.08 | USD | 20251013 |