China Great Steel Pipes Co.Ltd is famous with Seamless & Welded Pipes, Seamless Steel Tube, Straight Steel Tube, Spiral Steel Tube, Rectangle & Square Pipes, Pipe Fittings( Seamless & Welded), Polished Pipe/ Tubes, and exported seamless products to many countrys in Euro, US, Mid-East, Company approved by QS 9001:2008. welcome call or email us(+8618900716623)