Shanghai Zeyu New Energy Technology Co., Ltd. is a comprehensive science and technology enterprise specializing in the R D, production, sales and after-sales of automatic door and window system. We are determined to R D, production and sales, the company mainly produces "fire smoke exhaust system", "ventilation control system", "electric window opener series", "electric translation window series", "ventilation equipment series" and other intelligent building products, and provide relevant complete supporting services. The company has a strong R D team, an elite sales team and a construction team with rich field work experience. The company has been successfully applied to various civil and industrial construction fields, such as airports, hotels, railway stations, hospitals, business build...