Henan Longdong Materials Co., Ltd., established in 2015, is a national high-tech enterprise specializing in air pollution and noise control, with a core focus on integrated dust management solutions for mining operations. Committed to environmental technology R&D, the company serves industries including mining, chemical plants, power plants, metallurgy, and catering. With a professional team, Longdong has developed proprietary technologies and products, securing 2 invention patents and 21 utility model patents, alongside 26 product certifications. It holds ISO 9001: 2015 (quality), ISO 14001: 2015 (environmental), and ISO 45001: 2018 (occupational health and safety) certifications. Recognized as a provincial "Innovative Enterprise with Unique Technology" and a "Specialized, Refined, and New" SME, its flagship product, the KCS wet dust-removal fan, has been acclaimed as "domestically leading" in scientific evaluations. Guided by innovation and teamwork, Longdong aims to lead in environmental protection through practical solutions and cutting-edge technology.