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Archaeologists from the Saryarka Archaeological Institute have discovered two unique metal vessels from the burial complexes of Nurataldy I (Shetsky District) and Ashisu (Bukhar-Zhyrau District).Metal vessels from the early 2nd millennium BC (19th – 18th centuries BC) are among the rare phenomena in metal production. Almost all the vessels imitated clay ceramic dishes in shape, and partly in manufacturing technology, which is certainly evidence of their local production.The vessels are made of pure oxidized copper in accordance with a complex technological process in which the body is made without a bottom, as well as by the method of casting on the base using wax models with a core template resembling a vessel, and a second template - a cone. The casters mastered the skills of complex, unique technologies of investment casting in closed press molds with subsequent hot forging of the body using stone anvils, including T-shaped ones, to form the ribs on the vessel. Welding was used to connect the base to the lower part of the vessel walls to ensure a high-quality connection of these parts.The development of the metallurgical center in Central Kazakhstan had an unconditional impact on the development of all forms of industrial and social life of ancient tribes. This was especially evident in the subsequent periods of the Bronze Age, when the Saryarka center became the main supplier of metal (copper and tin) to the adjacent territories of Western Siberia, the Urals, Eastern Europe, and the north of Central Asia.
