Guiyang Steel Mills, founded in 1958 and consisting of 18 production plants, two research institutes, with more than 10 thousand employees, now ranks among the 500 largest industrial enterprises in China. Been certified with ISO9002 Certification.
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主营业务：Specialty steel round bars in diameter of 18-800mm: tool steel, mold steel, free-cutting steel, bearing steel, structural steel such as AISI1045,4140,4340 and others.