Company record
DULONG specializes in the casting and machining of non‑ferrous metals. The company employs a range of casting techniques, including precision automated, mechanized and manual sand casting, as well as cold‑box and permanent‑mold processes. Its material portfolio covers brass, bronze, copper and various aluminum alloys. DULONG also produces a complete line of industrial brass valves and fire‑fighting accessories, and all of its products are backed by a ten‑year guarantee.
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