Since our old factory established in 1997, we introduce advanced production equipment and perfect our quality management. We maintain the ISO 9001 Quality Management accreditation and BV certification to ensure we meet the highest standards. We are one of the leading manufacturers, exporters and suppliers of sonic tube, vineyard post, steel pipes and tubes and steel profiles to various lines and many fields in China and abroad. We are specialized in value for clients, not only products, but ...   |