SANGOBUILD is a new technology intensive enterprise, integrated with scientific research, production, design and sales; concetrates on technology, quality and service. Through years of practice and effort, we have been in the leading position on the product technology, guiding the development direction of stone coated roofing tiles industry. SANGOBUILD, as a famous brand in the field, represents the science, technology, quality, service and reliability.We produce the whole series of roofing