Joiner Machinery Co., Ltd. is a professional research and manufacturing enterprise working in the extrusion field. With nearly 20 years of research and development and production experience in the components of twin-screw extruder, JOINER supplies screw elements, barrels, shafts, side feeders and customized solutions for extruder makers and users home and abroad. JOINER has been certified to ISO9001 and is recognized as a top supplier by renowned customers.Through close working relationships with our customers, we have been able to fulfill their different requirements. Flexibility enables us to design and manufacture standard and bespoke components for unique applications.