Hangzhou Zeyuan High-Tech Co., Ltd. is a high and new technique enterprise which holds more than 30 intellectual property rights. Our company deals in scientific research, production and international business and specializes in developing the products which economize energy and protect environment as well as designing and producing several kinds of ventilation products. Our enterprise has the advanced production line from Swiss Spiro Company including JPX automatic roll-forming machinery, r1530 plasma cutting devices and cu-30 so that we can produce a complete set of screw air pipes and related fittings. All above advantages maintain the advanced nature of our products. We have built a perfect product system according to ISO9002 international product system, with high level structure design, making staff members in charge of the development and advanced facilities so that our company not only has deep skill and rich resource, but also makes ourselves grow smoothly. Welcome to China, and welcome to visit our company.