| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Jinxinda New Material Co., Ltd. | 90% | MT | 395.74 | USD | 20251210 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 438.14 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.01 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.01 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.01 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.01 | USD | 20251210 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 438.14 | USD | 20251210 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.21 | USD | 20251210 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 537.08 | USD | 20251210 |