Zhejiang Guangming Plastics Machinery Co. Ltd. is the largest enterprise which specializes in manufacturing twin screw and barrel in China. The company has over 14 years' experience in design and manufacture of high quality Guangyou series twin screw and barrel. Our products have been sold through out the country and exported to over 20 countries such as U. S. A., Europe, Russia, East and South Asia which are developed areas and countries of plastics industry in the world, also we are the largest supplier of twin screw and barrel in China. We have equipped advanced technology and equipment for processing, test, as well as extended experience for design and high-level management, passed ISO9001 and 2000 certified by the quality management system in 2001. We can supply first-class nitrided, chrome-plating, bimetallic and surface spraying hard metal treatment twin screws and barrels. At the same time, our company is able to take mapping, design for clients and make products as per customer's drawing excellently and so on. Welcoming all interested parties to contact us, we are willing to set up a long time cooperative relationship with you. If you have any demand, please feel free to contact us, and we'd like to service you at any time.