In fact, it is not easy job to do in China even if you are the professional buyer, purchaser, procurement by many years experience, becase the casting parts industry is complex one, and it belongs to a customized industry, and the iron or steel parts, components are not stardard one and not spare parts in automobile industry, and it need the drawings or samples, then it can be quoted firstly. or it can not be offed.
Also the quotation is not easy, it need the engineers to confirm the production technique, and then according to factory production cost and make estimated calculation as quanity, material, tolerance, surface fiishment, casting weight, etc. (iron casitng parts include pump housing, pump head, pump cover, pulley, gear, gearbox, wheel, water pump impeller, fan impellerr, motor cover,)
To find the right and good, reliable metal parts supplier, iron casting factory, foundry, firslty, you need to know the part material, it is grey iron or ductile iron, or carbon steel, or stainless steel or aluminum alloy, copper alloy, and also the unit weight of part, because some factories can produce small parts, from 50gram to 10kg, some foundry can produce 50kg to 200kg, and also other companies can produce 500kg to 2000kg. Also you can check the production technique, sand casting, like resin sand or green sand, shell molding, investment casting, lost wax casting, or lost foam casting, each foundy can produce casting parts with its casting method. Lastly, engineers can research the parts drawings carefully, including the dimensions, and tolerances, and check if it need sand core, and discuss with mould factory, and check the production technique and which dimensions need to be casting directly and which dimension need to be machined after casting according to dimensions tolerance.
Of course, a professional casting and machining comopany, can make the quality control during the whole process, from mould making, iron smelting, casting, deburing, shot blasting, blank casting part checking, including material report, dimension inspection, physical inspection, surface checking, chemical compostion and physical property, etc.
You can choose a good iron casting parts supplier from google, twinkleindustrial, and search Iron casting parts, industrial mechanical parts, customized grey iron casting parts in China, and you can also find us from made-in-china via, twinkleindustrial, or iron casting parts pulley, gear box,. Meanwhile you can also find us from your friends or linkedin.
We can also accept small qty order becasue we are a middle-size foundry and most of our products are exported to many countris and we know the casting parts demands and requirements and how to ensure the quality and not to affact the final application when assembling, of course, we can also ensure as long as our products have problem, we can bear our responsibility if the defects are casued by our reason.
