| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 925.74 | USD | 20251203 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1639.48 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1696.02 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1611.22 | USD | 20251203 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |