Steel frame lattice .
HIgh strength:the intensity and toughness far are higher than the cast iron, may Steel frame lattice .
HIgh strength:the intensity and toughness far are higher than the cast iron, may use in the wharf, airport and so on.The great span and the heavy load environment.
Varity multitudinous:satisfies the difference environement, the load, the span and the shape needs.may provide the size and the the shape manufacture according the customers