Shanghai TR Steel Building Products Co., Ltd, as a professional enterprise of integrating R&D, manufacture, marketing and service, was established in 2001. Through ten years development, we have held two large-scale production bases up to 40,000 square meters. They separately locate in Shanghai and Jiangsu. Our four brand products are FRP Roofing Sheet, Wind Turbine Ventilator, Ridge Ventilator and Wind Proof and Dust Control Sheet. TR has a great team that own leading and professional technique, standard management and perfect service. We have built long-term and steady business...