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High quality steel cold drawn steel GB/T3078-2008
High quality carbon structural steel GB/T699-1999
Carbon structural steel GB/T700-2006
Cold-drawn round steel, square steel, six Angle steel size, shape, weight and allowable deviation of GB/T905-1994
Stainless steel rod GB/T1220-2007
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ADDNantongye Village,Tongye Town,Luquan City,Hebei Province Zip Code050221 TEL0311-82237478 FAX0311-82139909