YUNKAI.YUNKAI is a pipe manufacturing enterprise established in 2008 in Luancheng District, Shijiazhuang. Occupying a total area of 20 mu, it features a modern production workshop spanning 5,000 square meters. The company specializes in producing PE-RT radiant heating pipes, PP-R cold/hot water supply pipes, and various steel-plastic composite pipes. Its PE-RT radiant heating pipes utilize premium raw materials from South Korea's SK and LG, featuring a unique molecular structure that delivers outstanding water pressure resistance and weldability without cross-linking. Through specialized production techniques and stringent raw material control, YUNKAI is committed to providing the market with high-performance, highly reliable piping system products that meet diverse demands in heating and water supply applications.