For Winter sunrooms made in China Our History Founded in 1992, Tangshan Joyfident Energy-saving Technology Co., Ltd. is an enterprise focusing on the R&D and manufacturing of energy-saving doors and windows Our Factory The company is located in Caofeidian, the pearl of Bohai Sea. The factory covers an area of 60,000 square meters, with a production workshop of 20,000 square meters. It is equipped with a full range of German imported aluminum-clad wooden window processing equipment, with an annual output of 100,000 square meters of energy-saving aluminum-clad wooden windows and doors. Our Product Aluminum-clad wooden windows, pure solid wood windows, aluminum-clad wooden curtain walls, sun rooms. Product Application Building exterior windows, windows for villa decoration銆?/span> Our Certificate ISO9000锛? utility model patents, 1 invention patent Production Equipment A complete set of German WEINIG aluminum-clad wooden window processing production line and a German Halma CNC machining center. Production Market The brand has more than 30 franchisees across the country, covering North China, East China and Northwest China. Our Service Pre-sale service: explanation of product performance characteristics, window style design. Sales service: product production progress tracking, product installation and use introduction. After-sales service: Professional after-sales service team, 24 hours response time limit.For Winter sunrooms made in China website:http://www.joyfident-china.com/