About Saiwen Truck Parts
Experienced manufacturer and exporter of heavy duty truck spare parts, supplying reliable replacement components to distributors and fleet operators worldwide.
From Workshop to Global Supplier
Continuous investment in people, machines and quality systems.
Saiwen Truck Parts established, specialising in heavy duty truck spare parts for commercial vehicles.
Implemented strict quality management processes, opening doors to international markets.
Expanded product range to cover lighting, shift control, steering, cooling and air brake systems.
Established export partnerships with distributors, repair shops and fleet operators worldwide.
Launched full-digital QC traceability — every shipment is batch-coded and documented for end-to-end verification.
Experienced team, wide product coverage, factory-direct pricing — serving heavy truck parts buyers globally.
Inside Our Production Facility
Modern manufacturing facility — CNC machining, automated production lines and a dedicated QC lab.






Our 4-Stage QC Process
Every order goes through our documented quality control workflow before it leaves our warehouse.
All raw materials and sub-components are measured and tested before entering production.
Dedicated QC staff conduct dimensional and functional checks at every machining stage.
Assembled units undergo full-function and torque verification before packaging.
Random batch audit per AQL 2.5 standard. Reports and photos provided to buyer.