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Technology introduction: raw material SS BAR are from Yongxing Special Steel and Shanghai Baosteel.
Process: piercing, cold rolling, cold drawing, bright annealing and other technologies.
Major features: high precision diamension, high cleanness of inside and good mechanical properties.
Major purposes: export abroad,auto parts, hydraulic system tubes, chemical industry, petrochemical industry and other fields which have high requirements on precision, finish, cleanliness, mechanical properties of steel tubes.
precision rolling shining tube series
