Shaanxi Tongxin
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We are an integrated producing, study, and research high-tech company which co-invested by Xi’an University Of Technology. It’s national base of “The technology of continuous cast iron research and popularized centre”.  In 2006, Tongxin innovated the advanced technology of “compound physical fields restrained shape and continuous cast”, which lead to produce high density, zero defects, close to final shape ---continuous cast iron tube, filled the blank market worldwide.

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Concast Grey Iron Tube

Concast Grey Iron Tube
Concast Ductile Iron Tube

Concast Ductile Iron Tube
Concast Alloy Iron Tube

Concast Alloy Iron Tube