Tangshan Joyfident Energy-Saving Technology Co., ltd founded in 1992, we are a manufacture of concentrating on the research of windows and doors. Joyfident has a young excellent highend windows technology R & D team, and has many windows patent technique of also.Joyfident is located in the CaoFei dian which is a Pearl on the Bohai Sea. The area of factory is more than 60,000 square meters, and all production equipments were imported from Germany. Joyfident also through the ISO9001 quality system authentication.The windows system of Joyfident includes aluminum-wood composite windows, solid wood windows, aluminum clad wood windows, sun room e etc. The dominance of customization production is driving Joyfident's business Ecosystem. We help every customer to design product according to each requirement, to creating the perfect products for clients. Because of the most competitive price, specialization and normalized service, Joyfident can stand on the market of Chinese and World and has good reputation.