Changsha Lianhu foundry has the annual output of 30,000 tons with the municipal castings as the main products, such as ductile iron and grey iron manhole covers with frames, agricultural machinery castings, pipe fittings, galvanized malleable step iron, etc. Besides, they produce different kinds of products according to drawings, specification and samples required by clients, strictly in accordance with different standards, such as BS，ASTM，DIN，EN.
