This comprehensive article explores the top 10 pool heater manufacturers in China, led by Guangdong Poolking—a company known for cutting-edge heat pump technology, broad product offerings, and world-class OEM services. It details the unique strengths of each manufacturer, emphasizing innovations in energy efficiency and customized solutions. The article also answers key questions about certifications, product types, and how to select trusted partners. Ideal for overseas brand owners and wholesalers looking to source reliable pool heating equipment from China's best pool heater manufacturers.