| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 805.13 | USD | 20251126 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1115.88 | USD | 20251126 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 840.44 | USD | 20251126 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.88 | USD | 20251126 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.51 | USD | 20251126 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 960.51 | USD | 20251126 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.51 | USD | 20251126 |