Dongying Harvey Co,.ltd is located in Dongying city Shandong province, which is near to Qingdao, with convenient transportation.
Harvey precision metal utilizes investment casting technology to produce the best quality products in the most efficient manner possible and is a major supplier of investment cast metal part, has served OEM for nearly ten years.
With our patented lost wax process, we offer near net shape, close tolerance,and excellent surface finish which means reduced costs for materials, machining , subassembly, fabrication, and other second operation.
Specializing in small parts ranging from fractions of a few grams to 60kilograms, we offer ferrous and non-ferrous alloys including stainless steel, carbon, low alloy and so on.
Technogical process
Die making--- wax pattern making---Wax pattern assembly---shell making---dewaxing--- preheat---Melting&pouring---Cutting---Sand spray ---heat treatment---- machining--- polishing--- inspection---packing