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Lost-wax casting(also called "investment casting", "precision casting", orcire perduewhich has been adopted into English from theFrench)is the process by which a duplicatemetalsculpture(oftensilver,gold,brassorbronze) iscastfrom an original sculpture. Intricate works can be achieved by this method.The oldest known example of this technique is a 6,000-year old amulet fromIndus Valley Civilization. Other examples from somewhat later periods are from Mesopotamia in the third millennium B.C.and the objects discovered in theCave of the Treasure(Nahal Mishmar)hoardin southernPalestine (region), and which belong to theChalcolithicperiod (4500-3500 BC). Conservative estimates of age fromcarbon-14 datingdate the items to c. 3700 BC, making them more than 5,700 years old.Lost-wax casting was widespread in Europe until the 18th century, when apiece-mouldingprocess came to predominate.The steps used in casting small bronze sculptures are fairly standardized, though the process today varies fromfoundryto foundry. (In modernindustrialuse, the process is called investment casting.) Variations of the process include: "lostmould", which recognizes that materials other thanwaxcan be used (such as:tallow,resin,tar, andtextile);and "waste wax process" (or "waste mould casting"), because the mould is destroyed to remove the cast item.*Our wax casting product processed by 79 steps with high standard and 100% inspection. Along with the power of our advanced machine, quality is something you do not need to worry about.Hebei JY Precision Machinery Co. Ltd is a high-tech enterprise combine designing, tooling developing, casting, machining, surface treatment, inspection, sales and service all together. Founded in 2017, located inHuanghua, Hebei, JY now covers an area of more than 5000 square meters.With a massive research & development environment, JY utilized market-leading technology and introduced various of advanced equipment to ensure the stringent quality in production.Under a powerful management team, the company has growing to the group with more than 100 employees. Product offerings range from Stainless Steel Pipe Fitting, Quick Joint, Ball Valve, Check Valve, to Marine Hardware and Auto Parts. The material are 304, 304L, 316, 316L, SF8M, WCB, 1.4408, etc.-Quality- -Creativity- -Consistency-These words are JY slogan, and also philosophy that drives the company to offer the superior service you are looking for…