NingboBuilding Materials Co., Ltd. is one of the leading manufacturers and traders of composite windows,doors,the iron products and stairs in China. Our leading products include German style composite windows and doors,iron products, cast iron products, steel with glass tread stairs, steel with wood tread stairs and wood stairs, we also fix the light to our glass stairs, make the stairs more modern and translucent. The company lies in Xinxing industrial estate Ninghai County, Ningbo, Zhejiang Province, and near from Ningbo port, very convenient to export. We have 60 agents in China, and more than 20 agents all over the world.Our aim is make the products as your request, maybe special price, special quality and special style. We are sure that you will find some products meet you.