Copper alloys in ingots — foundry blanks made of bronze and brass for further processing. Bronze (Cu + Sn/Al/Be) — for plain bearings, worm wheels, fittings, marine parts. Brass (Cu + Zn) — for plumbing (taps, valves), electrical engineering (contacts), decorative items. Grades: BrAZh9-4 (aluminum bronze), BrOTsS (tin bronze), LS59 (leaded brass), L63 (brass). GOST 614-97 'Bronze', GOST 1020-97 'Brass'. Ingots 10–25 kg. Export documentation: Certificate of Analysis (CoA), Certificate of Origin. Export supplies to China, EAEU, Middle East, Southeast Asia.