Hangzhou Singer Building Materials Co., Ltd is a professional manufacturer and exporter of asphalt roofing shingle, stone coated metal roof tile and PVC rain gutter system in Hangzhou of China, with our factory situated in Yuhang Area. Company have "good price business philosophy, and constantly improve the quality and full service principles and policies" as the principle of adhering to forever, so we have got many of customers' trust which mainly come from South America, North America, Africa, Southeast Asia, the Middle East and so on. I am sure you will be satisfied with our price, quality and our best service.
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