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Tianjin Haiyunda Metal Material Co., Ltd., founded in 1986 and located in Daqiuzhuang Town which is one of the most largest steel bases in Tianjin of China. After years of development, our co***ny has formed an integrated line of production, as well as import and export trade. Our co***ny can produce concrete steel frame formwork independently. Our main products are steel channels ,oval steel tubes ,rectangular/square steel pipes , galvanized steel pipes, welded pipes and other steel products, with a fixed ...
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