professional factory for St37 Tube - Black Tube – Sunrise

1. Bark Black Steel Tube

2. Shape: Round Square Rectangular Oval Ltz .

3. Usage: Fence, Door, Bike, Building And So On

Quality controlled Remark

●.our company have our own chemical laboratory

●.four times quality self testing system to make sure good quality goods

（1） raw material testing

（2） testing during processing line

（3） finished products quality testing

（4） packing inspection in final

●.our goods passed through international qualify certificate like ISO BV SGS and so on

All inspection process let our customer give us 100% trust.

After Sale Service Remark:

● Transport services, can be delivered directly to your designated place.

● The materials sold, we are responsible for the overall quality tracking, for you to eliminate worries.

Packing Remark

●Waterproof plastic bag then bundle with strip, On the all.

● Waterproof plastic bag then bundle with strip, On the end.

● 20ft container: not more than 28mt. and the length is not more than 5.8m.

● 40ft container: not more than 28mt. and the length is not more than 11.8m

Production Service Remark

● All the pipes is high-frequency welded.

● Both inner and outer welded stab can be removed.

● Special design available according to requirement.

● Pipe can be necked down and punched holes and so on.

● Supplying BV or SGS Inspection if client need.