Leading screw and barrel manufacturer, suppliers in China, Barrelize Factory OEM/ODM extrusion barrel screw for extrusion machine, injection molding machine. Tailored solutions for each application and requirements.”With more than 30 years manufacturing experience for the world’s top brand machinery companies, Barrelize is recognized as the largest and professional Plasticizing Equipment manufacturer in China.We operate several finishing in-house such as: Nitride, chrome plating, stainless steel, bimetallic and surface spraying technology. Many more treatments and finishing can also be handled within our factory. One of our greatest added values comes from our own design office.