The product is formed with high quality welded tube and advanced galvanization technology and equipment,The galvanization layer is equally galvanized and smooth finished.Both inside and outside surface are smooth,without black spot or bleb.It features high corrosion resistance and is widely used as wire tubing under the poor condition.

If you are in need of this products, please contact with me through skype: hengtezhong to know my email. Thank you.