Zhoushan Zhongyang Screw Manufacturing Co., Ltd. is a professional manufacturer of screws, barrels, tie bars and accessories of plastic,rubber,food and medical machinery. Our factory is located in Ligang Industrial Park of Zhoushan City,Zhejiang,China.Our main products are single screws & barrels, parallel twin screws & barrels, conical twin screws & barrels, bimetallic screws & barrels and screw & barrel accessories. They are widely used in injection molding machines, extruders,rubber processing machines and other plastic and rubber machinery.Adhering to the business concept of quality oriented, honest foremost, our company has been trying hard all these years to enhance the quality of our products. We have a group of experienced technicians, introduced advanced technical equipment and used high quality raw materials for refined products. With strong technical capability, we also offer design and OEM services to customers. Besides, we attach much importance in developing new items to cater for international markets. To provide the best services for customers, we have established quality control systems strictly as per ISO9001:2000 International Quality System.Our products attracted clients from all over the world because of the qualified products, reasonable prices and excellent service.All our staff will work harder for a higher expected standard to be more and more competitive in the market.We sincerely hope we can establish good and cooperative relationships with customers from domestic and overseas markets. Please contact us today.