| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.7 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.76 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 331.54 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.16 | USD | 20251027 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 235.61 | USD | 20251027 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 253.95 | USD | 20251027 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.84 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.92 | USD | 20251027 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.84 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.16 | USD | 20251027 |