Tianjin Sun Win Prestressed Company is founded in 2008. As a professional company with develop, produce, and sale prestressed products. Sun Win has more than 200 employees and 200 sets of mechanical equipment and precision professional testing instruments matching with modern production. Annual output value is about 150 million.Sun Win has passed ISO9001 quality management certification, The company in strict accordance with ISO9001 quality management certification standards to establish a quality management system, products from material procurement, production, product delivery and after-sales service to implement the whole process of strict quality control.With 13 years of production and sales. The products have also won the recognition and support of customers at home and abroad.