| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.29 | USD | 20251020 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 450.88 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 387.47 | USD | 20251020 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 309.98 | USD | 20251020 |
| Zaozhuang Yitai Energy Technology Co., Ltd. | China national standards | MT | 394.52 | USD | 20251020 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 253.62 | USD | 20251020 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.3 | USD | 20251020 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 253.62 | USD | 20251020 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 235.3 | USD | 20251020 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.15 | USD | 20251020 |