| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.79 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.29 | USD | 20251128 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 508.55 | USD | 20251128 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.69 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.29 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.69 | USD | 20251128 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 437.92 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.29 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.29 | USD | 20251128 |