| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 487.73 | USD | 20250618 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 501.67 | USD | 20250618 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 501.67 | USD | 20250618 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 487.73 | USD | 20250618 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 487.73 | USD | 20250618 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 487.73 | USD | 20250618 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 627.08 | USD | 20250618 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 501.67 | USD | 20250618 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 501.67 | USD | 20250618 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 501.67 | USD | 20250618 |