亚洲精品无码专区,国产成a人亚洲精品无码樱花,国产精品成熟老女人,精品久久人妻av中文字幕

HF-welded rolling pipeline

HFW-pipe Φ114~Φ610mm

High-frequency welded pipe production line – roll forming


SCPG002

SCPG006

SCPG007

SCPG001

Straight edge roll forming


SCPG003

Molding process


SCPG004

In line with the natural edge of the molding method

--------------end-------------

Taiyuan Si Chen Machinery Equipment Co., Ltd. Release,Welcome to share


From:Taiyuan Si Chen Machinery Equipment Co., Ltd.