Hangzhou Singer Building Material Co., Ltd. was built in 2006. We are a main producer and supplier of asphalt shingles, rain gutters waterproofing materials Hangzhou, China.Our factory covered about 4000 square meters, we have 5 inspection people to control the quality goods.
We kinds ...
Telephone:86-571-86650996
Address:No.819 Gudun Road, West Lake District