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 ...

Totalwin Trading is one of the aggressive trading and commercial service corporations in mainland, committing itself to build a worldwide wholesale partnership between manufacturers traders. Our company was originally set up Foshan 2005, aiming operate business-to-business ...