Inspection before shipment Double check all machine components and spare parts by Sales Department before shipment. --Any damage, replaced it in time.

Cutting Blade Using high quality Cr12 Mov steel to ensure good mechanical behavior while cutting. It is being wire cutting to ensure cutting blade has high precision. Being polish in the plane grinding machine to remove the rags on the cutter and get high flatness.

Machine Made Sheet Quality Control Inspected by engineer and sales with the standard of size on the signed profile drawing. Final-inspection by clients on site or by video or pictures. --Customer's recognition for machines and sheets are the basic principles.

Assembling Quality Control： Self-inspected by the staffs during assembling; Re-inspected by the team leader; And finally inspected by sales person and engineers. --We keep Real-time communication between all departments.

Shaft: Solid steel shafts are being tooling twice with grinding machine to ensure final precision.

Bearing Inside The Roller • Having bearing inside the rollers to make machine run with less loading so that rollers not easy to damage. • Ensure the same speed between the rollers, and improve the forming accuracy • Bearings are helping to prolong machine life.

Zhongyuan R&D department is staffed with senior engineers who has more than 20 years experience in metal forming machine industry, So we are able to assist customers with professional designing and solution. 

This roll forming machine consists of uncoiler, coil sheet guiding device, double layer forming system, cutting device, Hydraulic station, PLC control system and support table. This double decking forming machine can produce two different models of roof products, It can choose any two combination. The products produced by Zhongyuan machines are used for a wide range of purposes, such as gardens, factories, hotels, exhibition centers, villas and so on.