Dorosin is a registered trademark of the company. Dorosin will continue to produce first-class quality products, innovate technology, optimize and improve service systems, and strive to become a leading brand in the humidity control industry. Guangzhou Dolexin Electric Appliance Co., Ltd. is an enterprise that integrates production and manufacturing, technology research and development, and sales services. It mainly deals with various types of air conditioning equipment such as dehumidifiers, humidifiers, and air conditioners. The company has a registered capital of 10 million yuan and has invested in the construction of two production bases and research and development centers in Zhejiang and Guangdong, with a total area of 25000 square meters and an annual production capacity of 400000 units. Its products have obtained certifications such as 3C, CQC, CE, GS, ISO9001, etc. Based on quality, Duole Xin has invested over 10 million yuan to build a national standard enthalpy difference laboratory, aging room, product performance testing room, and three industry-leading automated production lines. For the past 15 years, we have strictly focused on product design, material selection, production processes, and other aspects to ensure that our products are always at the forefront of the humidity control industry. As a company dedicated to researching and manufacturing dehumidifiers, humidifiers, and air conditioning equipment, Dolexin is committed to providing global customers with technologically advanced and high-quality air conditioning equipment. Innovation is the source of development, and innovation is the core competitiveness of the company in its development. Through years of research and development investment, the company has 13 design and appearance patents, 22 utility model patents, and has obtained high-tech enterprise certification and technology little giant certification. Duole Xin has always been committed to improving the air environment for users' lives and work, integrating technological innovation into humidity solutions for various environments. Pursuing excellence and providing perfect service, Duole Xin currently has over 1800 service outlets across the country, which can quickly respond and dispatch professional staff to provide on-site services; Establishing a strong service system to provide customers with professional, thoughtful, and fast services has always been the direction that Duole Xin has been striving for.