Material preparation
Material, tube profile and dimensions are checked against the approved product specification.
Factory & quality
Yunuan brings core metalworking, surface preparation, electrical assembly and inspection into one production system.



On the production floor
Explore workstations, work in progress and finished products across the production process.
View larger photo ↗Frame welding with positioning fixtures, workpieces and an operator at the station.
View larger photo ↗An operator loads metal profiles onto a fixture for surface preparation.
View larger photo ↗Towel warmers move through assembly stations equipped with tools and components.
View larger photo ↗Operators at work, with products and transfer racks arranged beside the stations.
View larger photo ↗An inspector, test equipment and products at the inspection station.
View larger photo ↗Carton preparation alongside finished products arranged on transfer racks.
Production flow
Each customer program receives an agreed specification and inspection reference before repeat production.
Material, tube profile and dimensions are checked against the approved product specification.
Tube cutting and component preparation establish the geometry required for welding and assembly.
Controlled fixtures and automated welding support consistent joints and repeatable alignment.
Surface preparation and finishing follow the color and appearance reference approved for the order.
Heating elements, controls and wiring are assembled before function and visual checks.
Product, accessories, labels and project packaging are checked before shipment preparation.

Quality communication
Compliance requirements vary by product configuration and market. Yunuan confirms the applicable reports and documents during quotation and order review.