Max casting is 150t.

Trademark:TONGYU.

Typical brand:HT350,QT400-18,QT350-22AL,QT800-2，RuT420，cast of Cr-Mo-Cu&P-Cr series.

Main Equipment:Tongyu has 56000m² of the leading domestic steel production line which can produce special steel castings,including large-scale carbon steel,alloy steel,stainless steel.Max steel casting is 400t.The advanced iron resin sand production line,intermediate frequency electric furnaces with melting capacity of 60t,20t,10t,for producing all kinds of gray iron,ductile iron,vermicular iron,alloy iron and anti-wear,corrosion,heat resisting iron casting,

Tongyu has now become the largest production base of MW-class wind power generator shafts, the Asian largest production base for ductile iron cast pipe mould, one of the main large castings and forgings manufacturers in China.