| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 267.71 | USD | 20251020 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.62 | USD | 20251020 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 183.17 | USD | 20251020 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 232.48 | USD | 20251020 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 211.35 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.62 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.62 | USD | 20251020 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.35 | USD | 20251020 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.44 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 190.21 | USD | 20251020 |