Ningbo Yifei Machinery Accessories Factory is a profiessional manufacturer since 2003, we specialize in manufacturing and supplying a variety of ferrous & non-ferrous castings utilizing sand, investment, die and permanent-mould process. All our products are exported worldwide. Material: alloy steel, stainless steel, carbon steel, brass, bronze, copper, ductile iron, gray iron, aluminum & its alloys etc. We have manufacturing facilities and all the necessary equipments to deal with heat treatment and most kinds of machining work like tuming, drilling, grinding, polishing, milling, boring, forging, stamping etc. Different surface treatment is also available, like zinc plating, chrome plating, powdering, lacquering etc. Size Rang: parts weighing from a few ounces to as much as 155 pounds (5 g. to 70 kg), Sizes up to 0.25" x 25" (.63 m x .63 m) Tolerances: 0.005” per inch or better All items produced are identified throughout the manufacturing process and can be traced back to the raw material manufacturer. We have set up a quality control system that meets customers&＃039; specific requirements, and perform an internal or external audit to guarantee the efficiency of our system. We accept small quantity order and supply solve program for client.</p>