Quality control

Truck Parts Quality Control and Pre-Shipment Inspection

Incoming material, dimensional, applicable performance and final checks for truck-parts orders, including labels and export packing.

Zhongding is a trading supplier coordinating partner factories. The production and inspection footage shows supplier facilities; checks are agreed for each product and order.

Inspection at the factory

Equipment and its purpose

Checks are selected against the part drawing and order requirements.

Piston outer-profile measurement

The measuring station shown is used to check piston outer profiles. The piston reference and drawing define the dimensions to inspect.

Contour measuring station
A probe and fixture are used to measure a component profile. The workpiece, measurement path and acceptance limits are selected for the particular part.

More factory equipment photos

Conveyor carrying metal piston components through a supplier workshop

Measurement workstation with a glass stage and computer

Probe measurement machine beside a workpiece fixture

Rotary measurement station with a mounted metal component

Piston components and equipment in a supplier production area

Incoming Material Inspection

Incoming inspection checks whether the received material or component matches the approved purchase reference before it enters production or packing.

View details 02

Dimensional Inspection

Dimensional inspection focuses on the features that determine fit, sealing, alignment or connection with neighboring parts.

View details 03

Performance Testing

Performance checks must match the actual function of the part; a generic test cannot represent every braking, sealing, electrical or rotating component.

View details 04

Pre-Shipment Inspection

Pre-shipment inspection confirms that the prepared goods and export pack correspond to the released order, not just that individual parts look acceptable.

View details

Process video