supply Spiral Steel Pipe

Spiral steel pipe is a steel strip coil plate of raw materials, often warm extrusion molding, with automatic double wire welding double-sided submerge

2016-01-15

supply alloy steel pipe

Alloy pipe is hollow section, a large number of pipeline used for conveying fluid, such as oil, natural gas, coal gas, water and some solid materials,

2016-01-15

supply seamless steel pipe

Seamless steel pipe is hollow section, a large number of used for conveying fluid pipe, such as oil, natural gas, coal gas, water and some solid mater

2016-01-15