★ Current location:About Us -> Technical Strength -> Research and Patents DDF has set up an A-level, in house, R&D center. This center receives the input and brainstorming of all our best company technicians. Most of the technicians have been engaged in the casting profession for more than a decade and 4 of them have achieved foundry engineer degrees. The R&D center consists of a Product development department, a mold workshop and a physical and chemical testing center. In recent years, the R&D center has obtained 10 invention patents, effectively solving many difficulties in casting technology and achieving great achievements in technological innovation. |