Ningbo Free Trade Zone SuperiorInt'l Trade Co.,Ltdisdedicated to the screw and barrel manufacturing and sales. As aprofessional production of high precision, high-quality,screw,barrel and related parts manufacturer ,we have a full range ofprocessing, heat treatment, bi-metal baking, alloy spray weldingand perfect testing facilities. After a decade of productimprovement and innovation, we have accumulated customer serviceexperience in practice and formed our own brand, "Superior." Wealways adhere to the concept of customers first, to help customerssolve problems as our responsibility and gain good reputation andpraise from customers
