At Zhaowei, we place great focus on quality control in every aspect of our production, management and distribution processes to better serve our customers. We only use raw materials from large-scale iron and steel companies, for the purpose of quality control from the very beginning. While conducting the entire manufacturing process, Zhaowei rigorously complies with the international quality management system standards. We use a comprehensive array of cutting-edge test equipment for production process control. This ensures our metal towers are of consistent and proven quality.