Product Description: we produce welded steel pipe. The weld line can be controlled with our precision instrument in the fitting place. For rectangular steel pipe, the weld line will exist in small sides in order to stand heavy weight. Customers who request factories produce rectangular steel pipes with weld line in small sides may have a project for steel doors or windows. Because the surface of big sides may be not even if it has weld line, that is not beautiful. Of course, there are no special requirements for round steel pipes weld line. Our professional degree can be illustrated by weld line control. Product Feature: With reference to pre galvanized steel pipe, before the zinc repair in the welding, we will first set out to remove the welding slag, zinc oxide skin and burned out layer. Then we use the spray painting for the repair of the zinc layer. We have the zinc repair in the welding close to the whole weld body in color, as a result of little color difference. Our finished galvanized pipe looks like much nature itself without blemish . Product Specification/Models: product range: 12.7*12.7-400*600,WT:0.5mm-16mm Application: for consigning and packing, we are always taking it into serious consideration. During the process of packing, we load products with great careful in order to prevent steel pipes from scratching. We put customers' interests on the first place, so we adopt special packing methods such as inserting small pipes into large pipes with a determination to reduce space occupation. With smaller occupation of container space, the cost of consigning is reduced which is in accordance with the interest of customers. You can also put forward other requirements about packing or consigning. Other Information: