Harbin Sayyas Windows Co., Ltd. engages in the research and development, design, production, and sale of customized energy-saving aluminum-clad wooden windows. Its products include residential style and iron soldier aluminum-clad wooden windows, aluminum-clad wooden sliding doors, and aluminum-clad wooden sun rooms, curtain walls, and high windows. The company was founded by Shu Ping Bian, Yu Kong, Xiu Dong Su, Ning Zhao, Pei Wu Zhou, and Fang Qun Zhu in 1998 and is headquartered in Harbin, China.