Sourcing parallel flow tube bundles used for heat exchangers, HVAC, refrigeration and cooling systems from China factories? CGF Inspection provides reliable Pre-Shipment Inspection (PSI) before shipment and container loading.

Pre-Shipment Inspection will be arranged when over 80% of production is finished and goods are ready for delivery. Our inspectors carry out random sampling according to recognized AQL standards to comprehensively assess quality consistency of finished tube bundles.

✅ Quantity & Specification Verification

Count finished goods quantity, confirm part model, serial marking match purchase order and technical specifications.

✅ Dimensional Measurement Check

Test tube length, OD, wall thickness, bending radius, hole position spacing and overall assembly dimension, verify tolerance compliance.

✅ Surface Visual Inspection

Check aluminum tube surface for scratches, dents, black oxidation, sharp burrs, twist, flattening and irregular forming.

✅ Welding & Connection Inspection

Examine welding joints for uniform bead, no crack, porosity, cold solder and assembly gap that may cause leakage risk.

✅ Leakage Performance Witness Test

On customer request, witness air tightness test and hydraulic pressure test to ensure no leakage under working pressure.

✅ Protection & Export Packaging Audit

Check plastic protective film, foam padding, anti-rust treatment, wooden pallet stability, moisture-proof packing and printed shipping marks.

✅ Full English Inspection Report

After on-site inspection, you will receive complete report including dimension data, defect photos, testing records and overall quality judgment.

Avoid defective goods being loaded into container. Arrange pre-shipment inspection for your parallel flow tube bundles with CGF Inspection.