Core Viewpoint - Huicheng Environmental Protection (300779.SZ) has obtained ISCC PLUS certification, which provides a basis for the green premium of its products, although specific sales prices are not disclosed due to commercial confidentiality [2] Group 1 - The company has achieved ISCC PLUS certification [2] - The certification supports the justification for a green premium on products [2] - Sales price details are considered commercial secrets and are not disclosed [2]