Hangzhou Heru Building Materials Technology Co., Ltd. is a professional large-scale manufacturer of gutters and asphalt shingles, integrating the development and production together. Our company was established in 2013, and we have many years of history in the building materials industry. Located in Hangzhou, we enjoy convenient water, land and air transportation. Our company employs more than 50 workers. Through the efforts of our entire staff, we have become one of the most professional ...