4140 Qt - manufacturer, factory, supplier from China

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Heavy machinery industry steel bar
Heavy machinery industry is used to manufacture various shaft parts, transmission gears, connecting rods, suspension systems, steering systems, etc. The main brands are 45#, aisi 1045, sae 1045, c45,...

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"Our corporation puts emphasis about the administration, the introduction of talented staff, plus the construction of team building, attempting hard to improve the quality and liability consciousness of team members. Our organization successfully attained IS9001 Certification and European CE Certification of 4140 Qt , 4140 Qt , 4140 Q&t , Customers first! Whatever you require we should do our utmost to help you. We warmly welcome customers from all over the world to cooperate with us for mutual development.