| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 542.09 | USD | 20251014 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 535.05 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.49 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.49 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.49 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.49 | USD | 20251014 |
| Shandong Luxi Chemical Co., Ltd. | 90% | MT | 535.05 | USD | 20251014 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.61 | USD | 20251014 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.61 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.09 | USD | 20251014 |