| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Bidiou Chemical Industry Co., Ltd. | China national standards | MT | 1073.61 | USD | 20251130 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1073.61 | USD | 20251130 |
| Henan Kaixiang Chemical Co., Ltd. | China national standards | MT | 1073.61 | USD | 20251130 |
| Henan Kaixiang Chemical Co., Ltd. | China national standards | MT | 1073.61 | USD | 20251130 |
| Shaanxi Bidiou Chemical Industry Co., Ltd. | China national standards | MT | 1073.61 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251129 |
| Shandong Linglin New Material Co., Ltd. | China national standards | MT | 1525.66 | USD | 20251128 |
| Linyi Haoxuan New Materials Co., Ltd. | China national standards | MT | 1384.4 | USD | 20251128 |