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These pipes are seamless tubes for heatresistant steels and for high pressure boiler.Changzhou Tongchuang Tube Industry Co.,Ltd is a professional seamless steel pipe manufacturing in China for many years,supply kinds of seamless steel tubes with good quality and competitive price.The main standards are API,ASTM/ASME,EN,DIN,JIS BS,GB etc,the size ranges OD:6-168mm and WT:1-25mm can be ordered.
