Long History Established in 1990, Zhejiang Jingjin Machinery Co., Ltd. is one of ten largest manufacturers specializing in all kinds of screws and barrels for injection molding machines, extrusion machines, rubber machinery, plastic machines, etc. All types of screw barrels (general type, pin type, barrier type, separation type, vented type) can be made according to your different requirements. Till now, our screw barrels have been distributed to more than 40 countries in Europe, South America, Oceania, Asia, the Middle East, Africa and so on. Because of our top quality and competitive prices, we cooperate with many famous plastic machinery enterprises, such as Haitian International Holdings Ltd. Powerful R&D Always endeavoring to do still better is the motto of Jingjin&＃039;s R&D personnel. Advanced computerized designing and software are adopted for technical R&D, such as Solidworks, Pro-engineer, AutoCAD. etc. All relate parameters that may affect screw performance are designed based on theorems, such as screw type, L/D ratio, flight depth, flight density and helix angle. This outstanding design capability will guarantee Jingjin screw barrels help customers upgrade product quality and production efficiency. Sometimes they go down to end-users to learn about their needs and render technical support. Outstanding Production Equipment Well-equipped with different kinds of advanced CNC machines such as CNC whirling milling machines, imported screw grinder machines, numerical control heat treatment equipment, PTA welding machines and bimetallic alloy furnaces, we strive to increase production efficiency and competitive strength of our customers. Strict Quality Control Precision is a keyword in our company and it has become Jingjin&＃039;s hallmark. Strict quality control is imposed on each item and each working procedure and ISO9001 standards are adopted in the management. The "Quality First" philosophy is instilled in every production link, from raw material sourcing to mass production. Good Distribution and Service We believe the customers form an indispensable part of a company. Our professionalism makes us always meet high requirements of customers. As many of our customers are leading enterprises, they often expect us to meet their special requirements so that they can increase the competitive edge in markets, and our best services can always meet their needs. Unique Competitive Edge We can provide solutions to bimetallic, chromate-coated or nitrated screws and barrels, which will help reduce your production costs. Jingjin has successfully developed bimetallic screws and barrels that are wear-resistant, corrosion-resistant and resistant to elevated temperatures, whose service life is much longer than that of nitrated ones. Our bimetallic screws and barrels are rated as "High-Quality Technology Products in Zhejiang Province" and "Famous Brand Product of Zhoushan". Jingjin is also entitled as "Famous Trademark of Zhoushan". Even though there are many factories imitating us, we are always the leader in the industry. Our punctual delivery, quality products, competitive prices and technical assistance have made us gain a great popularity both at home and abroad. Trust yourselves and choose us. Let&＃039;s create a beautiful tomorrow together. Welcome to contact us at jzjxc.en.alibaba.com.