为了扩大生产规模，自行设计制造了一条冷弯机组生产线。
In order to enlarge the production scale, on cold bending production line was designed and manufactured.
上海申花钢管有限公司在114高频焊管机组上突破传统冷弯变形方法，设计出强力焊管。
Ltd by breaking through traditional cold-bending forming change on OD 114 mm high frequency welded pipe units.
上海申花钢管有限公司在114高频焊管机组上突破传统冷弯变形方法，设计出强力焊管。
Ltd by breaking through traditional cold-bending forming change on OD 114 mm high frequency welded pipe units.
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