Shanghai Yumherald Windows & Doors System Co. Ltd is one of the most high-end manufacturers and the contractors of the energy-saving solution for windows and doors in China.Our company was founded in June 2008, with the registered capital of more than $1,000, making us a national high-tech company.We are a unit of the executive member of the council in the green union of construction trades in China, also a unit of the executive member of the council in the association of building hardware for doors and windows in Shanghai. In addition, we operate according to GB/T29734.1-2013 national standard.Our company integrates the advanced global technology of system of windows and doors, has a nucleus of senior management with an international view and a prospective vision, also has a senior group of management for doors and windows with more than 10 years’ experience, and knows very well the demands of doors and windows for high-end residences in China and overseas.All the time, our company pays much attention to researching and developing technology, and aims at the requirements of domestic consumers, at present we have already developed four series of products - such as solid wood, wood-aluminum, aluminum-wooden, and bridge cutoff aluminum and more than 30 kinds of products in western style. Our products concentrate functions of heat preservation, thermal insulation, sound insulation and decorative. Our company also focuses to foresight in grasping the growing trend and the individuality needs of consumers in function, aesthetic and culture for doors and windows. We reinforce the depth development of the system, proximate the matter, guides the innovation with a prospective vision, to fully satisfy different needs of high-end consumers in China and overseas.Our main products include:Aluminum windows (sliding, casement, awning)Aluminum doors (folding)Aluminum sliding windows and doorsWooden windows and doorsAluminum clad wood window and doorsComplying to ISO StandardsWe offer OEM service for design and buyer’s label. We have more than 15 years of OEM experience. We implement ISO system strictly, and DIN and AAMA standards guarantee our product’s quality.Benefit from our AdvantagesWe are the best choice due to the following advantages:100% good products before shipment100% QC testing for qualityWe have strong technical supportFast delivery timeCustomized for any colors and dimensions