Group 1 - The company Diou Waterhua announced that its subsidiary, Foshan Oushennuo Ceramics Co., Ltd., has recently been awarded 6 invention patents by the National Intellectual Property Administration [2] - The patents cover technologies related to automatic alignment of inkjet machines, hydrogen-ammonia fusion ceramic roller kilns, stain-resistant matte tiles, skin-textured rock slabs, multifunctional tiles, and wear-resistant matte rock slab preparation [2] - The patent numbers are ZL202411714655.5, ZL202310672953.1, ZL202311800229.9, ZL202311831426.7, ZL202311831425.2, and ZL202410569587.1, with the authorization announcement dates ranging from December 12, 2025, to December 26, 2025 [2] - This batch of patents is expected to enhance the company's intellectual property system and improve its overall competitiveness [2]