Win Star keep improving on the product quality, set the general international ASTM standards for plastic fender as the company quality standards. ASTM standards (American Society Testing and Material) is mainly engaged in research and develop material specification and testing method standards, including the feature, performance standards and testing methods of all kinds of materials, products, systems, service projects. ASTM is the one of the oldest and largest nonprofit academic groups in USA, which has a very high authority in the world.
As the technology of the composite reinforced recycled plastic products is very hard, and the technical process is complicated, there are only a few companies could reach ASTM standards, Win Star is one of them. It has been verified by a large number of customers, product quality is leading of similar products.