Established in 2012, Estrella Polar Technology Co., Limited is a leading manufacturer and supplier specializing in prestressed construction equipment, backed by over 20 years of expertise in product design and manufacturing. We provide high-quality prestressed anchorage systems, hydraulic prestressing jacks, oil pumps, strand pushing machines, corrugated ducts, corrugated duct making machine, PC strands, galvanized steel strips, and more—delivering reliable solutions for the global construction industry.