| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2256.13 | USD | 20251023 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1861.3 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 2198.61 | USD | 20251022 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2254.98 | USD | 20251022 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1860.36 | USD | 20251022 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2198.61 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 2199.35 | USD | 20251021 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2255.75 | USD | 20251021 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1860.99 | USD | 20251021 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2199.35 | USD | 20251021 |