We(Nuo Ou) perform whole project quality control. 

>> Raw material arriving inspection including goods surface quality, quantity verify and randomly dimensional inspect.

>> Material cutting inspection as per client’s specification.

>> Reviewed WPS and welder ID prior to fabrication.

>> Fabrication process inspection such as fit-up gap, root face quality of super duplex pipe and welding parameter monitor as per WPS.

>> Randomly visual inspection for welds to verify whether brushed work has been done for each welds layer and tack weld quality.

>> Dimensional inspection including general length, holes distance, diameter for pipes, wall thickness, flange size, flange horizontal and perpendicularity, pipes fit-up angle in according to client’s specification and related standard.

>> Cleanliness and roughness inspection after skid frame sandblasting.

>> Bolts tightness and torque inspection. Torque reports and alignment reports reviewed as per ITP specified.

>> Packaging inspection and truck loading witness.