Shanghai Yumherald Windows & Doors Co., Ltd. was established in June of 2008 with 20.08 million RMB registered capital, which is the manufacturer and contractor in high-end building energy-saving windows and doors system solutions. We are a national high-tech enterprise, a standing council unit of the Green Building Alliance of China and the Shanghai Association of Building & Hardware & Doors & Windows. We integrate the global top-level system solutions, with a core leadership of nation-wide ...   |