亚洲精品第一国产综合亚AV,欧美性做爰大片免费看软件男组长

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

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.

Advanced Production Equipment

The steel pipe production unit adopts world famous Lincoln welding machine. The inside and outside welding also adopts the laser tracking system of UK meta company for automatic monitoring and high level of automation control system of computer touch. The production line is equipped with advanced end expansion, auto-hydrostatic pressure（up to 25 Mpa）and pipe end beveling machine.

Production Unit Uncoiler	Automatic submerged outside the defended
Outside Welding and UK Laser Automatic Monitoring & Tracking System	Steel Pipe Convey System
Auto-control Hydrostatic Pressure Test	Pipe End Beveled Production Mill
Cold Expansion Production Mill	Lincoln welder

The company has a modern production line of 3PE Anti-corrosion Steel Pipe,which is equipped with the most advanced automation equipment and quality inspection equipment, annual capacity amounting to one million square meters, product standard of SY/T0413-002.

Pipe Coating Production Mill	Coating Middle Frequency Heating Device
Coating Epoxy Powder Painting Device	Coating Adhesive and Polythene Production Device

About us

Video