Shanghai Duiao Steel Co.,Ltd

It has been specializing in producing&trade all kinds of steel pipes for over 10 years. Our yeayly sale reaches 10000,000 tons. Our products can be classified into 8 series, as followed: square pipes ,angle steel, steel plate,seamless steel,cast iron,die steel, galvanized steel,stainless steel products etc.. They are widely used for building,steel structure,military