欧美疯狂做受xxxxx高潮,亚洲VA欧美VA天堂V国产综合,啦啦啦免费视频在线观看

色爱综合另类图片av,漂亮人妻洗澡被强BD中文,亚洲色av天天天天天天,国产偷抇久久精品A片蜜臀A

<rt id="j9vj3"></rt>

Home | Collection | Contact us

The company has eleven sets of spiral welded steel pipe production unit with international modern levels and a set of production line of modern 3-layer PE Anti-corrosion coatings. The outer diameter(OD) of spiral welded pipe from Φ219mm to Φ3600mm, the wall thickness of spiral welded pipe from 6mm to 25mm, steel grade from A25-X80.

Detailed content

Our company held table tennis and billiards game.

In order to enrich and active employees’ amateur cultural activities, to promote staff sports activities widely carry out, our company held the first "Aotong Cup" table tennis and billiards game from January 7, 2012 to January 11, 2012.

Video