| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |