By now, we can produce helical corrugated steel pipe, nestable corrugated steel pipe, multiplate corrugated steel pipe, super corrugated corrugated steel pipe, steel tunnel liner, Including corrugation: 68X13mm, 125X25mm, 152X51mm, 178X45mm, 200X55mm, 230X64mm, 300X110mm, 381X140mm, 400X150mm. the diameter from 300mm to 20 meter. And the cross profile in round, low arch, high arch, horseshoe, pear, ellipse shapes.
We plays an important role in the promotion and application of corrugated steel industry in China and in the world.