Zhenxiang Xin, Professor, Dean of School of Polymer Science and Technology, Qingdao University of Science and Technology (QUST). Director of RubberCAD Laboratory & Waste Rubber Recycling R&D Center in. Area of Research: Rubber Process and Optimization 1. Waste Rubber Recycling 2. Optimization of Rubber Computer-Aided Design (RCAD) 3. Rubber Blends, Thermoplastic Elastomer and Nanocomposties