| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 960.6 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251128 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.32 | USD | 20251128 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1251.61 | USD | 20251128 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1002.98 | USD | 20251128 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 897.03 | USD | 20251128 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 897.03 | USD | 20251128 |