R&D patent
Disc air tube for flying shears of steel mill
Time:2017-03-15 10:54:30Pageview:550次
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Dalin group of China was founded in 1975,lies besides Taihang Mountain tourist area.in the past fourty years of development, Dalin group always adhering...
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Though several decades of development,Dalin products are covering oilfied,communication,military industry,mining,machinery,metallurgy,stell,chemical i...
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