... Test,Flattening Test,Flange Test,Grain Size Test,and so onCertificateISO9001:2008,PED,SGS,and so onTechniqueCold Rolled, ... , refuse vehiclesChemical/Pharmaceutical – pressure vessels, process piping.Oil and Gas – platform accommodation, cable trays, subsea pipelines.Medical ... tubing, hot water tanks.General – springs, fasteners (bolts, nuts and washers), wire.5.Manufacturing process :1) seamless pipe ...