Company Details

  • Unisite Group Ltd.

  •  [Zhejiang,China]
  • Business Type:Manufacturer , Trade Company
  • Main Mark: Middle East , West Europe , Americas , Asia , East Europe , Europe , North Europe , Oceania , Worldwide
  • Exporter:91% - 100%
  • Certs:ISO9001
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Unisite Group Ltd.

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Factory source for Purchase Structural Steel Pipe,Dredger Structural Pipe,Double Wall Steel Pipe from China Factory Industrial black steel pipe supply to French Polynesia Factory

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    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 100 Piece/Pieces
    Delivery Time: 30 Days
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So that you can supply you with comfort and enlarge our company, we also have inspectors in QC Workforce and guarantee you our greatest service and item for Industrial Steel Pipe,Industrial Black Steel Pipe,Industrial Steel Pipes. please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.

Factory source for Purchase Structural Steel Pipe,Dredger Structural Pipe,Double Wall Steel Pipe from China Factory Industrial black steel pipe supply to French Polynesia Factory

Welded steel pipe for the different welding process is divided into the furnace pipe, welding (ERW) pipes and automatic arc welding, because of the different welding form is divided into two kinds of longitudinal and spiral welded pipe, due to the shape of the end and circular welded pipe and shaped (square, flat) welded pipe.Welded steel pipe is rolled into a tube shaped steel plate to butt or spiral seam welding and, in the manufacturing method, voltage liquid transportation by welding steel pipe, spiral seam welded steel pipe and directly roll welded steel pipe, welded steel pipe. Seamless steel pipe can be used in a variety of industries, such as liquid pressure pipe and gas pipeline. Welding pipe can be used for water pipelines, gas pipelines, heating pipes, electrical appliances, etc..

industrial steel pipes


Sectional shape
Steel and steel products specifications is very wide, its performance requirements are various. All of these should be distinguished with changes in user requirements or working conditions. In general, the steel tube products are classified according to the shape of the section, the production method, the pipe material, the connection method, the coating characteristics and the application.
According to the pipe cross-sectional shape can be divided into: steel pipe and profiled steel pipe.
Shaped steel pipe is a kind of non circular section of the steel pipe. Including: square tube, rectangular tube, oval tube, flat oval tube, half pipe, hexagonal tube, hexagonal circular tube, equilateral hexagonal tube, tube of equilateral triangle, Pentagon plum tube, octagonal tube. A convex shaped tube, double convex tube. Biconcave shaped pipe, tube, oval - shaped tube, flat tube, tube diamond shaped, star shaped tube and parallelogram pipes, ribbed tube, drop shaped tube, internally finned tube, twisting reducing pipe, B type tube, D type tube and multilayer tube concave shape.
According to the shape of the steel pipe, it is divided into: equal section steel tube and steel tube with variable cross-section. Variable section (or variable section) steel pipe is a steel tube with periodic or non periodic changes in the shape of the cross section, inside and outside diameter and wall thickness. The main: external conical tube, conical inner tube, outer stepped tube, in the step tube, cycle section pipe, corrugated pipe, spiral pipe, finned tube and double barrel.


Profile of Unisite

UniSite was established in 2008, dredging relevant products manufacturing & supplying since 2005
Starting from steel pipes, now products range covering steel construction, machining parts, iron/steel casting, sheet pile/piling pipes...
Provide comprehensive service for dredging, land reclamation, offshore projects, marine engineering, piling works, municipal engineering,  construction machinery, agricultural machinery, port hoisting machinery, automobile, oilfield project and environmental remediation projects.
Products distributed in Europe, the Middle East, Southeast Asia, Australia, North &South America...
200 staff work for our esteemed customers
Head office: 25 staff;    Plants: around 125 staff(structure), 
around 50 staff(machining)

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Photos of our Industrial black steel pipe

Industrial Black Steel Pipe Industrial Steel Pipe Industrial Steel Pipes for sale Industrial Steel Pipes




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"We get pleasure from a very very good standing between our shoppers for our fantastic product quality, aggressive price as well as very best support for Industrial black steel pipe. The product will supply to all over the world, such as: Italy,Nepal,Fiji. We have a large share in global market. Our company has strong economic strength and offers excellent sale service. We have established faith friendly harmonious business relationship with customers in different countries. such as Indonesia, Myanmar, Indi and other Southeast Asian countries and European African and Latin American countries.

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