Zhejiang Zhongyang Screw Manufacturing Co., Ltd is a professional designer, manufacturer, rebuilder and distributor of screws, barrels and other machine components for plastic and rubber industries. Our factory is located in Zhoushan, we are well equipped with different kinds of advanced CNC machines. This provides solid foundation for our quality products. And the strong technical force of our R&D dept. Allows us a lot of design works for different requirements. With the firm business philosophy of "quality oriented, customer foremost", we never stop creating better quality and service for customers. We established quality control system strictly as ISO 9001: 2008 International Quality System, our every production process is under strict inspection. This is to ensure that only qualified products are delivered to customers. Even if you have any problem with our products, our technical team always find out solutions efficiently. We can send engineers to you under necessary…
