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

全自動(dòng)螺旋焊管生產(chǎn)線

Φ219mm-Φ4500mm

Automatic spiral pipe production line


SCZDLX002

SCZDLX005

SCZDLX003

Automated manufacturing


SCZDLX004

monitoring room


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

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


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