Thai group to be a long day to provide greenhouse pipes, galvanized steel tube, hot dip galvanized steel pipe, square tube, high frequency welded pipe, spiral steel pipe and other types of pipe diameter, applied to Chinese laborers, machinery, construction, public business, shipbuilding, oil and other fields of national economy.
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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。
The rapid analysis method of welding quality, acid washing test, for the longitudinally high frequency welded pipe is introduced.
介绍了一种快速分析高频直缝焊管焊接质量的方法——酸洗试验。
The high frequency welded pipe production is the fastest and the most efficiency way to produce pipe, but it also produces varies kinds of weld defects.
高频焊接制管是最快和最有效的制管方法，但高频焊接制管会产生各种各样的焊接缺陷。
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