Top Suppliers China Black Square Steel Tube for Structure Building

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Our Advantages

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Our pursuit and firm aim should be to “Always fulfill our buyer requirements”. We carry on to produce and structure top-quality excellent solutions for equally our aged and new consumers and accomplish a win-win prospect for our consumers as well as us for Top Suppliers China Black Square Steel Tube for Structure Building, We’re going to empower people by communicating and listening, Setting an example to others and learning from experience.
Our pursuit and firm aim should be to “Always fulfill our buyer requirements”. We carry on to produce and structure top-quality excellent solutions for equally our aged and new consumers and accomplish a win-win prospect for our consumers as well as us for China Steel Pipe, Steel Tube, Our factory insists on the principle of “Quality First, Sustainable Development”, and takes “Honest Business, Mutual Benefits” as our developable goal. All members sincerely thanks for all old and new customers’ support. We are going to keep working hard and offering you the highest-quality goods and service.Thanks.
Product description:

Product name hollow section square tube
Wall Thickness 0.7mm–13mm
Length 1–14mAccording to customer requirements …
Outer Diameter 20mm*20mm—400mm*400
Tolerance Tolerance based on Thickness:±5~±8%;According to customer’s request
Shape square 
Material Q195—Q345,10#,45#,S235JR,GR.B-D,STK500,BS1387……
Surface treatment black
factory  yes 
Standard ASTM,DIN,JIS,BS
Certificate ISO,BV,CE,SGS
Payment terms 30%T/T deposit in advance,70%balance after B/L copy;
Delivery times 25days after receive ur deposits
Package
  1. Through a bundle
  2. According to customer’s requirement
Loading port Tianjin/Xingang

customer’s benefit:

  What benefits do customers get:

   1.we are factory .( our price will have an advantage over trading companies.)

   2.Don’t worry about the delivery date . we are sure to deliver the goods in time and quality to achieve customer satisfaction . 

Product photos :

1 (1) square tube square tube2

Different from other factories:

    1.we applied for received 3 patents .(Groove pipe ,Shoulder pipe,Victaulic pipe )

    2. Port : our factory just 40 kilometers from Xingang port ,is biggest port in the north of China .

    3.Our manufacturing equipment include 4 pre-galvanized products lines,8 ERW steel pipe product lines,3 hot-dipped galvanized process lines.

Customer case:

    Australian customer purchase powder coating pre galvanized steel square tube. After customers receives the goods for the first time . Customer tests adhesive strength between the powder and the surface of the square tube .Customers test powder and square surface adhesion is small . We have meetings with customers to discuss this problem and we do tests all the time . we polished the surface of the square tube . Send the polished square tube to the heating furnace for heating . We tests all the time and discuss with customer all the time . We keep finding ways . After many tests, the final customer is very satisfied with the products. Now customer purchase a large number of products from factory every month .

Customer photos :

10 4 3

 The customer purchased steel pipes in our factory. After the goods were produced, the customer came to our factory for inspection.

Produce  products :

Hot-dipped-Galvanized-Steel-Pipe-Square-Tube 4 焊管2
9ca1074903915b0c348b12fbc9e24af Patent Product2 1

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  • Our Advantages :

    1.we are the source manufacturer .

    2.Our factory is near the port of Tianjin.

    3.To ensure the quality of our products, we use high quality materials and strict quality control

    Payment Term :

    1.30% deposit then 70% balance after received the BL copy
    2.100% at sight Irrevocable letter of credit
    Delivery time: within 15-20 days after received the deposit
    Certificate : CE,ISO,API5L,SGS,U/L,F/M