Cade spiral duct Xiamen Xiamen Hui Machinery Co., Ltd. is a professional manufacturer of ventilation ducts business, with international advanced production equipment and a sophisticated technical team, the main spiral duct, rectangular duct, stainless steel welded duct, and electromechanical equipment. Technology of legislation, the sound operation of our development strategy, technology determines the properties of the product to determine the extent to satisfy consumer demand. We are adhering to established enterprise technology development strategy, adhere to technological innovation as the foundation for enterprise development, we believe that the market economy is dominated by technology and the ultimate consumer. Sound operation refers to "rational, effective, safe," the scientific decision-making to ensure that today's work to create better conditions for the development of tomorrow