Zhejiang Jingda Building Materials Co., Ltd was established in 2002, factory located in the Hangzhou City. We are a large-scale building materials enterprise in producing and selling waterproof materials as well as constructing with output 5 million square meters of asphalt shingles, 2 million rolls of asphalt paper felt, and polymer waterproof coatings every year. At Jingda, we carry out ISO9001-2008 quality management system certification. With excellent quality certification systems and perfect after-sales service system we have lead out brand and production all over the world.