Jiangsu BOOTEC Engineering Co., Ltd. is a China manufacturer, supplier, and factory specializing in industrial duct components. Our square duct expansion joints are designed to accommodate thermal movement, vibration, and minor misalignment in square or rectangular duct systems. They help maintain a reliable connection and reduce stress on connected equipment in applications such as power generation, cement, and industrial dust collection. Available in configurations suited to project requirements, BOOTEC expansion joints support dependable duct system operation. Contact us to discuss dimensions, materials, and application needs.