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NINGBO HUAYUAN PRECISION CASTING MACHINING is one of China professionally manufacturer and dedicated supplier of various castings including Investment casting, sand casting and Aluminum die casting one.For investment casting, we adopt the method of soluble glass, complex shell, silicasol to make precision casting parts. And for sand casting, we adopt resin sand process to make grey iron and ductile castings. As for die casting, mostly we make the aluminum or alloy aluminum casting parts. We can produce castings with kinds of material, such as carbon steel and alloy steel, stainless steel , grey iron, ductile iron, aluminum, brass as well as bronze.Besides, it is also available for us to supply a series of finish steps for the rough casting and metal parts, such as finish machining, welding, heat treating,caseharden, plating, anodizing ,painting etc. Moreover, thanks to our many qualified suppliers for the rubber, plastic injectiong molding,spring, punching,stamping prouducts, that enable us to provide our customers the complete set projects while assembling the correlative products if customers request. At our factory, quality control is an active, function of manufacturing. Quality assurance starts the minute raw materials come in the door and continues through every stage of the casting process. We achieve part-to-part consistency, so the last casting is the same high quality as the first. We work to ISO 9001:2000, a standard of excellence that is recognized around the world. To supply qualified castings with reasonable price is our permanent principle. Dear customers, if you have any interesting to our factory, pls feel free to contact with us by email or fax. We can accept the files with the form of Pdf, Jpg, CAD, IGS, STP,Pro-E as well as SOLIDWORKS via email. As soon as we receive your inquiry, we will pay much attention to it, and our experienced engineers will make a quick cost estimate to your inquiry, then will quote our competitive price to you at the earliest time. We sincerely wish we will be your reliable casting supplier at the base of mutual benefit