... of AOD about 12 tons.So we can control the quality and price.Specifications1:Pipe:201,202,301,304etc2:OD:9.5 ... Test :Eddy Current, Hydrostatic Mechanical, Mechanical Test, Chemical Composition Analysis , ISO Quality Management System Certification and MTC(7): Polish:Stain Polish ... free ,we believe our best price ,quality, dilivery time, services will let you be satisfied.I will reply you in 24 hours , ...