马可波罗：公司及子公司取得4项专利证书

Core Viewpoint - Marco Polo announced that the company and its subsidiaries have obtained a total of 4 patent certificates from the National Intellectual Property Administration, which includes 3 invention patents and 1 utility model patent, enhancing its intellectual property protection and brand reputation [1] Group 1: Patent Achievements - The patents include "Rapid Cooling Equipment for Roller Kilns" and "Preparation Method for Ceramic Tiles to Suppress High-Temperature Decomposition of Sulfides in Lithium Slag" [1] - These patents are related to the fields of building ceramics and ceramic equipment [1] - The patents are already in use or will soon be applied in the company's production processes [1]