Hangzhou Singer Building Material Co., Ltd. was built in 2008. We
are a main producer and supplier of asphalt shingles, gutters and
solid wood doors and windows in Hangzhou, our factory covered about
2000square meters, we have 5 inspection people to control the
quality of the goods.
We have 5 kinds of shingles with 14 colors for your choose. We use the best materials to produce our shingles without fakery. The warranty time of laminate shingles is 30 years.
The material of gutter is pvc and aluminum. We can offer every color you want. Your profitability is a key aspect of our ongoing growth. If you interesting with our product , pl check the product information in the web, and contact with us.
We are looking forward to cooperating with you in